Background
Methods
Study design
Study setting
Materials
Total | Female | Male | P1 | |
---|---|---|---|---|
n = 6652 | n = 3525 | n = 3127 | ||
Age – years (25th,75th percentiles) | ||||
Median | 66 (42,82) | 69 (42,84) | 64 (42,79) | < 0.001 |
Medical historya – n (%) | ||||
Diseases of the circulatory system I00-I99 | 6137 (28.6) | 3121 (26.9) | 3016 (30.7) | < 0.001 |
Mental and behavioural disorders F00-F99 | 3811 (17.8) | 2056 (17.7) | 1755 (17.8) | 0.830 |
Endocrine, nutritional and metabolic diseases E00-E89 | 1906 (8.9) | 1102 (9.5) | 804 (8.2) | 0.001 |
Diseases of the musculoskeletal system and connective tissue M00-M99 | 1449 (6.8) | 1034 (8.9) | 415 (4.2) | < 0.001 |
Diseases of the digestive system K00-K95 | 1225 (5.7) | 713 (6.1) | 512 (5.2) | 0.003 |
No medical history | 904 (13.6) | 442 (12.5) | 462 (14.8) | 0.008 |
Dispatcher priority – n (%) (15,18)b | < 0.001 | |||
Priority 1 | 3249 (49.1) | 1647 (46.9) | 1602 (51.5) | |
Priority 2 | 3071 (46.4) | 1700 (48.4) | 1371 (44.1) | |
Priority 3 | 299 (4.5) | 163 (4.6) | 136 (4.4) | |
Dispatch medical indexc – n (%) (12,19)b | ||||
Chest pain/cardiac disease | 991 (15.0) | 514 (14.6) | 477 (15.3) | 0.427 |
Extremity/wound minor trauma | 804 (12.1) | 448 (12.8) | 356 (11.5) | 0.113 |
Uncertain information/suspicion of severe illness | 726 (11.0) | 341 (9.7) | 385 (12.4) | 0.001 |
Respiratory difficulties | 708 (10.7) | 412 (11.7) | 296 (9.5) | 0.004 |
Abdominal/urinary tract symptoms | 704 (10.6) | 306 (11.3) | 308 (9.9) | 0.079 |
EMS contact on multiple occasionsd – n (%) | 0.580 | |||
One occasion | 5450 (91.0) | 2873 (90.8) | 2577 (91.3) | |
Two occasions | 422 (7.0) | 230 (7.3) | 192 (6.7) | |
Three occasions | 75 (1.3) | 39 (1.2) | 36 (1.3) | |
Four or more occasions | 40 (0.7) | 21 (0.7) | 19 (0.7) | |
Initial assessment of level of care – n (%) | ||||
Hospital | 5340 (80.3) | 2763 (78.4) | 2577 (82.4) | < 0.001 |
Emergency department | 4920 (92.1) | 2526 (91.4) | 2394 (92.9) | 0.045 |
Bypass emergency departmente | 420 (7.9) | 237 (8.6) | 183 (7.1) | |
Referral to primary care | 143 (2.1) | 82 (2.3) | 61 (2.0) | 0.310 |
Stay on scene with increased social/home care | 100 (1.5) | 56 (1.6) | 44 (1.4) | 0.614 |
Stay on scene with advice on self-care/medication | 1069 (16.1) | 624 (17.7) | 445 (14.2) | < 0.001 |
Mode of transport for patients initially assessed to hospital – n (%) | 0.020 | |||
Ambulance | 4979 (93.2) | 2555 (92.5) | 2424 (94.1) | |
Patient transport | 141 (2.6) | 77 (2.8) | 64 (2.5) | |
Seated transport | 159 (3.0) | 94 (3.4) | 65 (2.5) | |
Police | 20 (0.4) | 17 (0.6) | 3 (0.1) | |
Own transportation | 41 (0.8) | 20 (0.7) | 21 (0.8) |
Initial assessment to hospital | Non-transport | P | |
---|---|---|---|
n=5340 | n = 1312 | ||
Age – years (25th, 75th percentile) | |||
Median | 68 (44,83) | 59 (34,78) | < 0.001 |
Sex – n (%) | < 0.001 | ||
Female | 2763 (51.7) | 762 (58.1) | |
Dispatcher priority – n (%) (26,7)a | < 0.001 | ||
Priority 1 | 2659 (50.0) | 590 (45.2) | |
Priority 2 | 2444 (46.0) | 627 (48.0) | |
Priority 3 | 211 (4.0) | 88 (6.7) | |
Dispatch medical indexb – n (%) (31,0)a | |||
Chest pain/cardiac disease | 747 (14.1) | 244 (18.7) | < 0.001 |
Extremity/ wound/minor trauma | 699 (13.2) | 105 (8.1) | < 0.001 |
Uncertain information/suspicion of severe illness | 574 (10.8) | 152 (11.6) | 0.401 |
Respiratory difficulties | 554 (10.4) | 154 (11.7) | 0.162 |
Abdominal/urinary tract symptoms | 618 (11.6) | 86 (6.6) | < 0.001 |
Time of day – n (%) | < 0.001 | ||
08:00–16:00 | 2431 (45.5) | 475 (36.2) | |
16:00–24:00 | 1902 (35.6) | 536 (40.9) | |
24:00–08:00 | 1007 (18.9) | 301 (22.9) | |
Time on scene – mins (25th, 75th percentile) | |||
Median | 22 (14,30) | 27 (19,37) | < 0.001 |
Medical historyc – n (%) | |||
Diseases of the circulatory system I00-I99 | 5250 (29.4) | 887 (24.8) | < 0.001 |
Mental and behavioural disorders F00-F99 | 3024 (16.9) | 787 (20.7) | < 0.001 |
Endocrine, nutritional and metabolic diseases E00-E89 | 1583 (8.9) | 323 (9.0) | 0.750 |
Diseases of the musculoskeletal system and connective tissue M00-M99 | 1212 (6.8) | 237 (6.8) | 0.768 |
Diseases of the digestive system K00-K95 | 1055 (5.9) | 170 (4.8) | 0.007 |
No medical history | 658 (12.3) | 246 (18.8) | < 0.001 |
Initial vital signs – median (25th, 75th percentile) (% deviating)d | |||
Respiratory rate/min (343,241)a | 18 (16,20) (11.4) | 16 (16,18) (1.6) | < 0.001 |
Saturation % (282,210) | 97 (95,99) (5.4) | 98 (96,99) (0.9) | < 0.001 |
Pulse rate/min (264,209) | 86 (75,101) (8.3) | 83 (74,93) (1.6) | < 0.001 |
Systolic blood pressure – mm/hg (369,240) | 135 (120,150) (2.1) | 130 (120,150) (0.3) | 0.008 |
Diastolic blood pressure – mm/hg (947,333) | 80 (70,90) (0.1) | 80 (70,85) (0.1) | < 0.001 |
Temperature°C (762,332) | 36.9 (36.5,37.3) (0.6) | 36.8 (36.5,37.1) (0.1) | 0.019 |
Level of consciousness – n (%) (20,37) | <0.001 | ||
RLS 1/ GCS 15e | 4901 (92.1) | 1224 (96.0) | |
RLS 2,3/ GCS 13–10 | 310 (5.9) | 43 (3.4) | |
RLS ≥ 4/ GCS ≤ 8 | 109 (2.0) | 8 (0.6) | |
Prehospital triage level according to RETTS-A – n (%) (172,379)a | <0.001 | ||
Red | 597 (11.6) | 7 (0.8) | |
Orange | 1854 (35.9) | 54 (5.8) | |
Yellow | 2254 (43.6) | 341 (36.5) | |
Green | 463 (9.0) | 531 (56.9) | |
Prehospital field assessment according to RETTS-Af – n (%) (161,377)a | |||
Chest thoracic pain | 512 (9.9) | 111 (11.9) | 0.069 |
Abdominal/flank pain | 535 (10.3) | 59 (6.3) | <0.001 |
Respiratory distress/dyspnoa/breathing difficulties | 454 (8.8) | 91 (9.7) | 0.350 |
Unspecific condition | 349 (6.7) | 142 (15.2) | <0.001 |
Injury/head trauma | 324 (6.3) | 28 (3.0) | <0.001 |
Under the influence of substances (alcohol, drugs) – n (%) | 534 (10.0) | 135 (10.3) | 0.759 |
Prehospital medication – n (%) | |||
Any medication | 1825 (34.2) | 86 (6.6) | <0.001 |
Intravenous medication | 1015 (19.0) | 18 (1.4) | <0.001 |
All-cause mortality – n (%) | |||
≤ 7 days | 111 (2.1) | 16 (1.2) | 0.042 |
≤ 30 days | 243 (4.6) | 31 (2.4) | <0.001 |
≤ 365 days | 804 (15.1) | 122 (9.3) | <0.001 |
The EMS system in Sweden
Triage system
Time-critical diagnosis, deviating VS, and occurrence of complications
Statistical analysis
ED attendance within 72 h | Initially assessed to hospital | P | |
---|---|---|---|
n = 126 | n = 5340 | ||
Age – median year (25th,75th percentile) | 64 (36,82) | 68 (44,83) | 0.247 |
Sex – n (%) | 0.787 | ||
Female | 67 (53.2) | 2763 (51.7) | |
Mode of transport – n (%) | < 0.001 | ||
Ambulance | 55 (44.4) | 4979 (93.2) | |
By own transportation | 57 (45.2) | 41 (0.8) | |
Patient transport | 12 (9.5) | 141 (2.6) | |
Seated transport | 2(1.6) | 159 (3.0) | |
Police | 0 (0.0) | 20 (0.4) | |
Dispatcher priority - n (%) (66,26)a | < 0.001 | ||
Priority 1 | 18 (30.0) | 2659 (50.0) | |
Priority 2 | 37 (61.7) | 2444 (46.0) | |
Priority 3 | 5 (8.3) | 211 (4.0) | |
Medical history – n (%)b | |||
Diseases of the circulatory system I00-I99 | 110 (27.3) | 5250 (29.3) | 0.376 |
Mental and behavioural disorders F00-F99 | 92 (22.8) | 3024 (16.9) | 0.002 |
Diseases of the musculoskeletal system and connective tissue M00-M99 | 37 (9.2) | 1212 (6.8) | 0.067 |
Endocrine, nutritional and metabolic diseases E00-E89 | 28 (6.9) | 1583 (8.8) | 0.216 |
Diseases of the digestive system K00-K95 | 25 (6.2) | 1055 (5.9) | 0.761 |
No medical history | 19 (15.1) | 658 (12.3) | 0.339 |
Prehospital field assessent according to RETTS-Ac – n (%)d | 1st assessment / 2nd assessment | ||
Unspecific condition, malaise | 20 (20.2) / 12 (20.1) | 349 (6.7) | < 0.001 |
Respiratory distress/dyspnoa/breathing difficulties | 13 (14.9) / 8 (13.4) | 454 (8.8) | 0.055 |
Abdominal/flank pain | 9 (10.3) / 8 (13.4) | 535 (10.3) | 1.000 |
Chest thoracic pain | 5 (5.7) / 1 (1.7) | 512 (9.9) | 0.273 |
Nausea/vomiting | 4 (3.2) / 0 (0.0) | 43 (0.8) | 0.022 |
Missing field assessment | 39 (31.0) / 2 (3.3) | 161 (3.0) | < 0.001 |
Prehospital triage level according to RETTS-A – n (%) (39 / 2, 172)e | 1st triage / 2nd triage | < 0.001 | |
Red | 2 (2.3) / 6 (10.0) | 597 (11.6) | |
Orange | 3 (3.4) / 15 (25.0) | 1854 (35.9) | |
Yellow | 33 (37.9) / 31 (51.7) | 2254 (43.6) | |
Green | 49 (56.3) / 6 (10.0) | 463 (9.0) | |
Management ED – n (%) (0, 14)f | |||
Admitted to in-patient care | 58 (46.0) | 2631 (49.4) | 0.472 |
Extended examination/interventiong | 22 (17.5) | 774 (14.5) | 0.371 |
Lab, drug administration, prescription | 32 (25.4) | 1412 (26.5) | 0.839 |
Clinical examination/observation only | 7 (5.6) | 275 (5.2) | 0.837 |
Patient managed by ED nurse, referral to primary care | 3 (2.4) | 54 (1.0) | 0.144 |
Patient leaves without being seen or against medical advice | 4 (3.2) | 180 (3.4) | 1.000 |
Days of in-patient care – n | |||
Mean (SD) | 8.7 (8.8) | 8.1 (9.5) | 0.641 |
Median (25th,75th percentile) | 5.5 (2.8,12) | 5 (2,11) | 0.633 |
Final hospital assessment, ICD-10h – n (%) (11, 344)f | |||
Symptoms, signs and abnormal clinical and laboratory findings R00-R99 | 24 (20.9) | 971 (19.4) | 0.721 |
Injury, poisoning and certain other consequnces of external causes S00-S99, T00-T98 | 15 (13.0) | 928 (18.6) | 0.145 |
Mental and behavioural disorders F00-F99 | 14 (12.2) | 423 (8.5) | 0.174 |
Diseases of the circulatory system I00-I99 | 12 (10.4) | 635 (12.7) | 0.570 |
Disesases of the respiratory system J00-J99 | 7 (6.1) | 418 (8.4) | 0.494 |
Time-critical diagnosis (11,344)f | 12 (10.4) | 551 (11.0) | 1.000 |
Deranged clinical signs/occurrence of complications within 48 hi | 7 (5.6) | 537 (10.1) | 0.099 |
All-cause mortality - n (%) | |||
≤ 7 days | 2 (1.8) | 111 (2.1) | 0.702 |
≤ 30 days | 5 (4.0) | 243 (4.6) | 0.756 |
≤ 365 days | 20 (15.9) | 804 (15.1) | 0.800 |
Quartiles | |||||
---|---|---|---|---|---|
1st | 2nd | 3rd | 4th | P | |
16–42 | 43–65 | 66–82 | 83–1061 | ||
n = 1705 | n = 1552 | n = 1812 | n = 1583 | ||
Sex – n (%) | |||||
Female | 908 (53.3) | 721 (46.5) | 892 (49.2) | 1004 (63.4) | <0.001 |
Dispatcher priority – n (%) (14,6,10,3)a | <0.001 | ||||
Priority 1 | 965 (57.1) | 832 (53.8) | 862 (47.8) | 590 (37.3) | |
Priority 2 | 674 (39.9) | 660 (42.7) | 851 (47.2) | 886 (56.1) | |
Priority 3 | 52 (3.1) | 54 (3.5) | 89 (4.9) | 104 (6.6) | |
Dispatch medical indexb – n (%) (13,7,10,1)a | |||||
Chest pain/cardiac disease | 158 (9.3) | 269 (17.4) | 322 (17.9) | 242 (15.3) | <0.001 |
Extremity wound/minor trauma | 120 (7.1) | 130 (8.4) | 239 (13.3) | 315 (19.9) | <0.001 |
Uncertain information/suspicion of severe illness | 158 (9.3) | 166 (10.7) | 215 (11.9) | 187 (11.8) | 0.056 |
Respiratory difficulties | 100 (5.9) | 118 (7.6) | 255 (14.2) | 235 (14.9) | <0.001 |
Abdominal/urinary tract symptoms | 205 (12.1) | 179 (11.6) | 184 (10.2) | 136 (8.6) | 0.006 |
Medical historyc – n (%) | |||||
Diseases of the circulatory system I00-I99 | 81 (2.5) | 795 (18.7) | 2415 (34.1) | 2846 (41.5) | <0.001 |
Mental and behavioural disorders F00-F99 | 1486 (45.8) | 1135 (26.7) | 691 (9.8) | 499 (7.3) | <0.001 |
Endocrine, nutritional and metabolic diseases E00-E89 | 163 (5.0) | 397 (9.3) | 795 (11.2) | 551 (8.0) | < 0.001 |
Diseases of the musculoskeletal system and connective tissue M00-M99 | 84 (2.6) | 251 (5.9) | 535 (7.6) | 579 (8.4) | < 0.001 |
Diseases of the digestive system K00-K95 | 186 (5.7) | 304 (7.1) | 413 (5.8) | 322 (4.7) | < 0.001 |
No medical history | 600 (35.2) | 221 (14.2) | 59 (3.3) | 24 (1.5) | < 0.001 |
Time of day – n (%) | <0.001 | ||||
08:00–16:00 | 548 (32.1) | 621 (40.0) | 877 (48.4) | 860 (54.3) | |
16:00–24:00 | 724 (42.5) | 598 (24.5) | 643 (35.5) | 473 (29.9) | |
24:00–08:00 | 433 (25.4) | 333 (21.5) | 292 (16.1) | 250 (15.8) | |
Time on scene – mins (25th, 75th percentile) | |||||
Median | 19 (12,28) | 20 (14,28) | 24 (17,33) | 27 (19,35) | <0.001 |
Initial vital signs – median (25th, 75th percentile) (% deviating)d | |||||
Respiratory rate/min (198,154,133,99)a | 18 (16,20) (4.8) | 18 (16,20) (6.4) | 18 (16,20) (12.5) | 18 (16,22) (14.4) | < 0.001 |
Saturation % (167,130,108,87) | 99 (97,100) (1.2) | 98 (96,99) (2.8) | 97 (95,98) (6.8) | 96 (94,98) (7.2) | < 0.001 |
Pulse rate/min (160,126,107,80) | 90 (78,104) (8.5) | 86 (75,100) (7.3) | 85 (74,100) (7.3) | 83 (71,97) (5.5) | < 0.001 |
Systolic blood pressure – mm/hg (219,164,132,94) | 120 (112,135) (1.1) | 140 (120,150) (1.8) | 140 (120,160) (2.1) | 140 (120,160) (1.9) | <0.001 |
Diastolic blood pressure – mm/hg (430,316,291,243) | 80(70,85) (0.0) | 80(75,90) (0.1) | 80 (70,90) (0.3) | 80 (70,90) (0.0) | 0.187 |
Temperature °C (411,303,230,150) | 36.9 (36.5,37.3) (0.5) | 36.8 (36.4,37.1) (0.6) | 36.9 (36.5,37.3) (0.6) | 36.9 (36.5,37.3) (0.4) | 0.164 |
Level of consciousness – n (%) (11,18,16,12) | <0.001 | ||||
RLS 1/ GCS 15e | 1521 (89.8) | 1410 (91.9) | 1699 (94.6) | 1495 (95.2) | |
RLS 2,3/ GCS 13–10 | 137 (8.1) | 94 (6.1) | 69 (3.8) | 53 (3.3) | |
RLS ≥4/ GCS ≤ 8 | 36 (2.1) | 30 (2.0) | 28 (1.6) | 23 (1.5) | |
Prehospital triage level according to RETTS-A – n (%) (192,144,107,108)a | 0.525 | ||||
Red | 122 (8.1) | 140 (9.9) | 192 (11.3) | 150 (10.2) | |
Orange | 507 (33.5) | 470 (33.4) | 507 (29.7) | 424 (28.7) | |
Yellow | 621 (41.0) | 561 (39.8) | 738 (43.3) | 675 (45.8) | |
Green | 263 (17.4) | 237 (16.8) | 268 (15.7) | 226 (15.3) | |
Prehospital field assessment according to RETTS-Af – n (%) (192,143,104,99)a | |||||
Chest/thoracic pain | 108 (7.1) | 177 (12.4) | 202 (11.7) | 136 (9.1) | <0.001 |
Abdominal/flank pain | 194 (12.7) | 174 (12.3) | 134 (7.8) | 92 (6.2) | <0.001 |
Respiratory distress/dyspnoa/breathing difficulties | 42 (2.8) | 79 (5.6) | 228 (13.3) | 196 (13.2) | <0.001 |
Unspecific condition | 49 (3.2) | 84 (6.0) | 164 (9.6) | 194 (13.1) | <0.001 |
Injury/head trauma | 99 (6.5) | 79 (5.6) | 86 (5.0) | 88 (5.9) | 0.320 |
Under the influence of substances (alcohol, drugs) – n (%) | 341 (20.0) | 220 (14.2) | 93 (5.1) | 15 (0.9) | <0.001 |
Prehospital medication – n (%) | |||||
Any medication | 424 (24.9) | 439 (28.3) | 573 (31.6) | 475 (30.0) | <0.001 |
Intravenous medication | 237 (13.9) | 245 (15.8) | 289 (15.9) | 262 (16.6) | 0.170 |
Level of care – n (%) | |||||
Hospital | 1274 (74.7) | 1233 (79.4) | 1486 (82.0) | 1347 (85.1) | <0.001 |
Emergency department | 1174 (92.2) | 1162 (94.2) | 1380 (92.9) | 1204 (89.4) | <0.001 |
Bypass emergency departmentg | 100 (7.8) | 71 (5.8) | 106 (7.1) | 143 (10.6) | |
Referral to primary care | 46 (2.7) | 28 (1.8) | 46 (2.5) | 23 (1.5) | 0.041 |
Stay on scene with initiated/increased social/home care | 12 (0.7) | 15 (1.0) | 32 (1.8) | 40 (2.6) | <0.001 |
Stay on scene with advice on self-care/medication | 373 (21.9) | 276 (17.8) | 248 (13.7) | 17 2(10.9) | <0.001 |
ED admission within 72 h | 38 (2.9) | 26 (2.1) | 32 (2.1) | 30 (2.2) | 0.437 |
Mode of transport – n (%) | 0.852 | ||||
Ambulance | 1190 (93.4) | 1148 (93.1) | 1391 (93.6) | 1250 (92.8) | |
Patient transport | 10 (0.8) | 21 (1.7) | 49 (3.3) | 61 (4.5) | |
Seated transport | 47 (3.7) | 42 (3.4) | 38 (2.6) | 32 (2.4) | |
Police | 13 (1.0) | 7 (0.6) | 0 (0.0) | 0 (0.0) | |
Own transportation | 14 (1.1) | 15 (1.2) | 8 (0.5) | 4 (0.3) | |
Management ED – n (%) (3, 1,7,3)a | |||||
Admitted to in-patient care | 346 (27.2) | 508 (41.2) | 878 (59.4) | 899 (66.9) | < 0.001 |
Extended examination/interventionh | 262 (20.6) | 198 (16.1) | 171 (11.6) | 143 (10.6) | < 0.001 |
Lab, drug administration, prescription | 430 (33.8) | 370 (30.0) | 347 (23.5) | 265 (19.7) | < 0.001 |
Clinical exam/observation only | 124 (9.8) | 76 (6.2) | 48 (3.2) | 27 (2.0) | < 0.001 |
Patient managed by ED nurse, referral to primary care | 23 (1.8) | 16 (1.3) | 12 (0.8) | 3 (0.2) | < 0.001 |
Patient leaves without being seen or against medical advice | 86 (6.8) | 64 (5.2) | 23 (1.6) | 7 (0.5) | < 0.001 |
Days of in-patient care – n | |||||
Mean (SD) | 5.7 (12.0) | 6.5 (10.1) | 8.8 (9.6) | 9.2 (7.3) | < 0.001 |
Median (25th,75th percentile) | 2 (1,5) | 4 (2,7) | 6 (3,11) | 7 (4,13) | < 0.001 |
Final hospital assessment, ICD-10i – n (%) (140,104,62,38)a | |||||
Symptoms, signs and abnormal clinical and laboratory findings R00-R99 | 237 (20.9) | 241 (21.3) | 269 (18.9) | 224 (17.1) | 0.030 |
Injury, poisoning and certain other consequences of external causes S00-S99, T00-T98 | 261 (23.0) | 204 (18.1) | 215 (15.1) | 248 (18.9) | <0.001 |
Mental and behavioural disorders F00-F99 | 215 (19.0) | 130 (11.5) | 50 (3.5) | 28 (2.1) | <0.001 |
Diseases of the circulatory system I00-I99 | 22 (1.9) | 123 (10.9) | 250 (17.6) | 240 (18.3) | <0.001 |
Disesases of the respiratory system J00-J99 | 39 (3.4) | 62 (5.5) | 174 (12.2) | 143 (10.9) | <0.001 |
Time-critical diagnosis (140,104,62,38)a | 109 (9.6) | 95 (8.4) | 185 (13.0) | 162 (12.4) | <0.001 |
Deranged clinical signs/occurrence of complications within 48 hj | 85 (6.7) | 106 (8.6) | 188 (12.7) | 158 (11.7) | <0.001 |
All-cause mortality – n (%) | |||||
≤ 7 days | 6 (0.4) | 13 (0.8) | 44 (2.4) | 64 (4.0) | <0.001 |
≤ 30 days | 6 (0.4) | 27 (1.7) | 86 (4.7) | 155 (9.8) | <0.001 |
≤ 365 days | 21 (1.2) | 85 (5.5) | 319 (17.6) | 501 (31.6) | <0.001 |
Results
Initially assessed as requiring hospital care and non-transported
Patients non-transported with ED admission within 72 h
Age distribution in quartiles and patient assessment
All-cause mortality
Full triage | Limited triage | P | |
---|---|---|---|
n = 5150 | n = 1502 | ||
Age – years (25th, 75th percentile) | |||
Median | 69 (45,83) | 57 (34,76) | <0.001 |
Sex – n (%) | |||
Female | 2758 (53.6) | 767 (51.1) | 0.089 |
Dispatcher priority – n (%) (16,17)a | <0.001 | ||
Priority 1 | 2436 (47.4) | 813 (54.7) | |
Priority 2 | 2485 (48.4) | 586 (39.5) | |
Priority 3 | 213 (4.1) | 86 (5.8) | |
Dispatch medical indexb – n (%) (19,12)a | |||
Chest pain/cardiac disease | 834 (16.3) | 157 (10.5) | <0.001 |
Extremity/wound/minor trauma | 612 (12.9) | 192 (11.9) | 0.322 |
Uncertain information/suspicion of severe illness | 570 (11.1) | 156 (10.5) | 0.510 |
Respiratory difficulties | 602 (11.7) | 106 (7.1) | <0.001 |
Abdominal/urinary tract symptoms | 624 (12.2) | 80 (5.4) | <0.001 |
Medical historyc – n (%) | |||
Diseases of the circulatory system I00-I99 | 5135 (30.0) | 1002 (23.1) | <0.001 |
Mental and behavioural disorders F00-F99 | 2616 (15.3) | 1195 (27.5) | <0.001 |
Endocrine, nutritional and metabolic diseases E00-E89 | 1558 (9.1) | 348 (8.0) | 0.024 |
Diseases of the musculoskeletal system and connective tissue M00-M99 | 1190 (7.0) | 259 (6.0) | 0.020 |
Diseases of the digestive system K00-K95 | 1046 (6.1) | 179 (4.1) | <0.001 |
No medical history | 634 (12.3) | 270 (18.0) | <0.001 |
Time of day – n (%) | 0.037 | ||
08:00–16:00 | 2294 (44.5) | 612 (40.7) | |
16:00–24:00 | 1848 (35.9) | 590 (39.3) | |
24:00–08:00 | 1008 (19.6) | 300 (20.0) | |
Time on scene – mins (25th, 75th percentile) | |||
Median | 23 (16,31) | 21 (13,30) | <0.001 |
Prehospital triage level – n (%) (0, 551)a | 0.655 | ||
Red | 489 (9.5) | 115 (12.1) | |
Orange | 1609 (31.2) | 299 (31.4) | |
Yellow | 2244 (43.6) | 351 (36.9) | |
Green | 808 (15.7) | 186 (19.6) | |
Prehospital field assessment according to RETTS-Ad – n (%) (0,538)a | |||
Chest/thoracic pain | 537 (10.4) | 86 (8.9) | 0.164 |
Abdominal/flank pain | 548 (10.6) | 46 (4.8) | <0.001 |
Respiratory distress/dyspnoa/breathing difficulties | 504 (9.8) | 41 (4.3) | <0.001 |
Unspecific condition | 423 (8.2) | 68 (7.1) | 0.245 |
Injury head trauma | 266 (5.2) | 86 (8.9) | <0.001 |
Under the influence of substances (alcohol, drugs) – n (%) | 423 (8.2) | 246 (16.4) | <0.001 |
Prehospital medication – n (%) | |||
Any medication | 1581 (30.7) | 330 (22.0) | <0.001 |
Intravenous medication | 852 (16.5) | 181 (12.1) | < 0.001 |
Level of care – n (%) | |||
Hospital | 4394 (85.3) | 946 (63.0) | <0.001 |
Emergency department | 4072 (92.7) | 848 (89.6) | 0.002 |
Bypass emergency departmente | 322 (7.3) | 99 (10.4) | |
Referral to primary care | 93 (1.8) | 50 (3.3) | 0.001 |
Stay on scene with increased social/home care | 61 (1.2) | 39 (2.6) | <0.001 |
Stay on scene with advice on self-care/medication | 602 (11.7) | 467 (31.1) | <0.001 |
ED admission within 72 h | 76 (10.1) | 50 (9.0) | 0.570 |
Mode of transport to hospital – n (%) | 0.001 | ||
Ambulance | 4120 (93.8) | 859 (90.8) | |
By own transportation | 32 (0.7) | 9 (1.0) | |
Patient transport | 117 (2.7) | 24 (2.5) | |
Seated transport | 121 (2.8) | 38 (4.0) | |
Police | 16 (1.7) | 4 (0.1) | |
Management ED – n (%) (3,11)a | |||
Admitted to in-patient care | 2208 (50.4) | 423 (44.6) | 0.002 |
Extended examination/interventionf | 593 (13.5) | 181 (19.2) | <0.001 |
Lab, drug administration, prescription | 1203 (27.4) | 209 (22.2) | 0.001 |
Clinical examination/observation only | 187 (4.3) | 88 (9.3) | <0.001 |
Patient managed by ED nurse, referral to primary care | 43 (1.0) | 11 (1.2) | 0.591 |
Patient leaves without being seen or against medical advice | 149 (3.4) | 31 (3.3) | 0.921 |
Days of in-patient care – n | |||
Mean (SD) | 8.0 (8.8) | 8.8 (12.6) | 0.097 |
Median (25th,75th percentile) | 5 (3,11) | 5 (2,11) | 0.112 |
Final hospital assessment, ICD-107 – n (%) (83,261)a | |||
Symptoms, signs and abnormal clinical and laboratory findings R00-R99 | 857 (20.7) | 114 (13.2) | < 0.001 |
Injury, poisoning and certain other consequences of external causes S00-S99, T00-T98 | 693 (16.8) | 235 (27.3) | < 0.001 |
Mental and behavioural disorders F00-F99 | 266 (6.4) | 157 (18.2) | <0.001 |
Diseases of the circulatory system I00-I99 | 530 (12.8) | 105 (12.2) | 0.653 |
Diseases of the respiratory system J00-J99 | 383 (9.3) | 35 (4.1) | <0.001 |
Time-critical diagnosis (83,261)a | 416 (10.1) | 135 (15.6) | < 0.001 |
Deranged clinical signs/ occurrence of complications within 48 hh | 418 (9.5) | 119 (12.6) | 0.006 |
All-cause mortality – n (%) | |||
≤ 7 days | 89 (1.7) | 57 (3.8) | < 0.001 |
≤ 30 days | 217 (4.2) | 74 (4.9) | 0.234 |
≤ 365 days | 741 (14.4) | 175 (11.7) | 0.006 |