Background
Methods
Study design and setting
Study population
Data collection
Outcomes
Statistical analyses
Results
Baseline characteristics
Characteristic | Age 18–59 years | Age 60–79 years | Age ≥ 80 years | p-value |
---|---|---|---|---|
Number of patients (% of total n = 639,387) | 58 | 28 | 14 | |
Age (years, median ± STDEV) | 39 ± 12 | 69 ± 5 | 87 ± 5 | |
Gender (% per age strata, women) | 56 | 49 | 60 | < 0.001 |
Prehospital care (% per age strata) | 58 | 55 | 52 | < 0.001 |
ED- Length of stay (minutes, median, IQR) | 202, 168 | 231, 184 | 263, 200 | < 0.001 |
Admitted to hospital (%, per age strata) | 19 | 41 | 51 | < 0.001 |
Triage (%, per age stratum) | ||||
Red | 4 | 7 | 9 | < 0.001 |
Orange | 12 | 19 | 23 | < 0.001 |
Yellow | 38 | 45 | 46 | < 0.001 |
Green | 46 | 29 | 22 | < 0.001 |
Outcomes | ||||
7-day mortality (%, per age strata) | 0.1 | 1 | 3 | < 0.001 |
30-day mortality (%, per age strata) | 0.3 | 3 | 7 | < 0.001 |
7-day mortality (%, per age strata, Red/Green) | 1.3/0.01 | 5.77/0.2 | 11.7/0.6 | < 0.001 |
30-day mortality (%, per age strata, Red/Green) | 2.2/0.06 | 10.5/0.90 | 21.2/2.9 | < 0.001 |
Primary results
Variable | Model A Mortality 7d OR (95% CI) | Model B Mortality 7d OR (95% CI) | Model C Mortality 7d OR (95% CI) |
---|---|---|---|
Triage group: Red | |||
Age | |||
60–79 years | 4.7 (4.0–5.5) *** | 4.0 (3.4–4.7) *** | 3.5 (2.9–4.1) *** |
≥ 80 years | 10.2 (8.7–11.9) *** | 7.9 (6.7–9.3) *** | 6.8 (5.7–8.0) *** |
Triage group: Orange | |||
Age | |||
60–79 years | 5.8 (4.7–7.2) *** | 4.1 (3.3–5.2) *** | 3.5 (2.8–4.3) *** |
≥ 80 years | 15.4 (12.5–19.0) *** | 7.9 (6.3–9.8) *** | 6.6 (5.3–8.2) *** |
Triage group: Yellow | |||
Age | |||
60–79 years | 7.6 (6.2–9.4) *** | 5.6 (4.5–6.9) *** | 4.5 (3.6–5.6) *** |
≥ 80 years | 19.6 (15.9–24.1) *** | 9.4 (7.6–11.7) *** | 7.4 (5.9–9.1) *** |
Triage group:Green | |||
Age | |||
60–79 years | 15.4 (9.4–25.3) *** | 10.7 (6.5–17.7) *** | 8.7 (5.2–14.4) *** |
≥ 80 years | 52.4 (32.3–85.1) *** | 21.8 (13.1–36.2) *** | 16.2 (9.7–27.1) *** |
Variable | Model A Mortality 30d OR (95% CI) | Model B Mortality 30d OR (95% CI) | Model C Mortality 30d OR (95% CI) |
---|---|---|---|
Triage group: Red | |||
Age | |||
60–79 years | 5.2 (4.6–5.9) *** | 4.3 (3.8–4.9) *** | 3.7 (3.2–4.2) *** |
≥ 80 years | 12.0 (10.6–13.6) *** | 9.1 (8.0–10.4) *** | 7.7 (6.8–10.4) *** |
Triage group: Orange | |||
Age | |||
60–79 years | 5.5 (4.9–6.2) *** | 4.1 (3.6–7.6) *** | 3.5 (3.1–3.9) *** |
≥ 80 years | 12.6 (11.2–14.2) *** | 7.0 (6.1–7.9) *** | 5.9 (5.2–6.7) *** |
Triage group: Yellow | |||
Age | |||
60–79 years | 7.8 (7.1–8.7) *** | 6.1 (5.5–6.7) *** | 5.0 (4.5–5.6) *** |
≥ 80 years | 17.6 (15.8–19.5) *** | 9.8 (8.8–10.9) *** | 7.9 (7.0–8.8) *** |
Triage group:Green | |||
Age | |||
60–79 years | 15.1 (12.1–18.7) *** | 11.8 (9.5–14.7) *** | 9.7 (7.7–12.1) *** |
≥ 80 years | 50.6 (40.9–62.6) *** | 27.0 (21.6–33.8) *** | 20.6 (16.5–25.9) *** |