Background
Methods
Data collection and study population
Variables
Statistics
Results
Proximal | Diaphyseal | Total | |
---|---|---|---|
Sex | |||
Girls, n (%) | 1004 (59) | 103 (34) | 1107 (55) |
Boys, n (%) | 692 (41) | 197 (66) | 889 (45) |
Total, n (%) | 1696 (100) | 300 (100) | 1996 (100) |
Median age (IQR) | |||
Girls | 10 (7–12) | 9 (5–12) | 10 (7–12) |
Boys | 11 (8–13) | 10 (6–13) | 11 (7–13) |
Total | 10 (7–12) | 10 (5–13) | 11 (9–13) |
Open fractures | |||
Girls, n (%) | 0 | 1 | 1 (0.01) |
Boys, n (%) | 2 | 2 | 4 (0.2) |
Total, n (%) | 2 (0.1) | 3 (1) | 5 (0.3) |
Patient characteristics
Seasonal variation and injury mechanism
Proximal | Diaphyseal | |||||
---|---|---|---|---|---|---|
Girls, n (%) | Boys, n (%) | Total, n (%) | Girls, n (%) | Boys, n (%) | Total, n (%) | |
Simple falls | 287 (29) | 258 (37) | 545 (32) | 19 (18) | 56 (28) | 75 (25) |
Tripping | 149 | 127 | 275 | 11 | 30 | 41 |
Ice-skating/skiing | 70 | 65 | 135 | 5 | 14 | 19 |
On snow/ice | 42 | 40 | 82 | 2 | 9 | 11 |
Falls from height | 347 (35) | 206 (30) | 553 (33) | 28 (27) | 46 (23) | 74 (25) |
Playground facilites | 169 | 115 | 284 | 19 | 26 | 45 |
Unspecified falls | 78 (8) | 34 (5) | 112 (7) | 3 (3) | 10 (5) | 13 (4) |
Transportation accidents | 204 (20) | 118 (17) | 322 (19) | 24 (23) | 25 (13) | 49 (16) |
Pedastrian | 2 | 1 | 3 | 1 | 2 | 3 |
Bicycle/motorcycle | 43 | 106 | 149 | 8 | 19 | 27 |
Car | 1 | 1 | 2 | 1 | 3 | 4 |
Horse-riding | 150 | 5 | 155 | 13 | 1 | 14 |
Unspecified | 8 | 5 | 13 | 1 | 0 | 1 |
Stress/pathological/spontaneous | 2 (0.2) | 2 (0.3) | 4 (0.2) | 2 (2) | 14 (7) | 16 (5) |
Non-accidental | 3 (0.3) | 3 (0.4) | 6 (0.4) | 3 (3) | 4 (2) | 7 (2) |
Other accidents | 60 (6) | 50 (7) | 110 (6) | 17 (17) | 36 (18) | 53 (18) |
Not registered | 23 (2) | 21 (3) | 44 (3) | 7 (7) | 6 (3) | 13 (4) |
Total | 1004 (100) | 692 (100) | 1696 (100) | 103 (100) | 197 (100) | 300 (100) |
Fracture classification
Treatment
Proximal humerus fracture | OR | 95% Confidence intervall | P-value |
---|---|---|---|
Age at fracture | 1.3 | 1.2–1.4 | < 0.001 |
Sex (girl) | 0.9 | 0.6–1.4 | 0.7 |
Diaphyseal humerus fracture | OR | 95% Confidence intervall | P-value |
Age at fracture | 1.2 | 1.1–1.3 | < 0.001 |
Sex (girl) | 0.9 | 0.4–1.8 | 0.7 |
Proximal fractures | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Non-surgical | Non-surgical | N-s with closed reduction | Surgical | Closed reduction under general anesthesia | K-wire and cerclage | Intramedullary nailing | Plate fixation | Screw fixation | Combined ostosynthesis | Not registered | |
Girls, n (%) | |||||||||||
Age | |||||||||||
0–3 | 41 (98) | 41 | 0 | 0 (0) | 0 | 0 | 0 | 0 | 0 | 0 | 1 (2) |
4–6 | 139 (97) | 138 | 1 | 1 (1) | 0 | 1 | 0 | 0 | 0 | 0 | 3 (2) |
7–9 | 247 (93) | 244 | 3 | 12 (5) | 0 | 9 | 3 | 0 | 0 | 0 | 7 (3) |
10–12 | 387 (93) | 384 | 3 | 26 (6) | 2 | 14 | 6 | 1 | 1 | 1 | 5 (1) |
13–15 | 119 (88) | 119 | 0 | 14 (10) | 1 | 11 | 1 | 1 | 0 | 0 | 3 (2) |
Total | 933 (93) | 926 | 7 | 52 (5) | 3 | 35 | 10 | 2 | 1 | 0 | 19 (2) |
Boys, n (%) | |||||||||||
Age | |||||||||||
0–3 | 45 (94) | 45 | 0 | 2 (4) | 0 | 1 | 1 | 0 | 0 | 0 | 1 (2) |
4–6 | 68 (93) | 68 | 0 | 2 (3) | 1 | 1 | 0 | 0 | 0 | 0 | 3 (4) |
7–9 | 143 (95) | 140 | 3 | 5 (3) | 0 | 3 | 2 | 0 | 0 | 0 | 3 (2) |
10–12 | 200 (92) | 198 | 2 | 12 (6) | 2 | 5 | 5 | 0 | 0 | 0 | 6 (3) |
13–15 | 172 (85) | 168 | 4 | 26 (13) | 1 | 20 | 5 | 0 | 0 | 0 | 4 (2) |
Total | 628 (91) | 619 | 9 | 47 (7) | 4 | 30 | 13 | 0 | 0 | 0 | 17 (2) |
Diaphyseal fractures | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Non-surgical | Non-surgical | N-s with closed reduction | Surgical | Closed reduction under general anesthesia | K-wire and cerclage | Intramedullary nailing | Plate fixation | Screw fixation | Extern fixation | Not registered | |
Girls, n (%) | |||||||||||
Age | |||||||||||
0–3 | 15 (83) | 15 | 0 | 3 (17) | 2 | 0 | 0 | 1 | 0 | 0 | 0 (0) |
4–6 | 15 (94) | 15 | 0 | 1 (6) | 0 | 0 | 1 | 0 | 0 | 0 | 0 (0) |
7–9 | 18 (86) | 17 | 1 | 1 (5) | 0 | 0 | 1 | 0 | 0 | 0 | 2 (10) |
10–12 | 20 (69) | 19 | 1 | 5 (17) | 0 | 0 | 5 | 0 | 0 | 0 | 4 (14) |
13–15 | 13 (68) | 13 | 0 | 5 (26) | 0 | 1 | 2 | 2 | 0 | 0 | 1 (5) |
Total | 81 (79) | 79 | 2 | 15 (15) | 2 | 1 | 9 | 3 | 0 | 0 | 7 (7) |
Boys, n (%) | |||||||||||
Age | |||||||||||
0–3 | 34 (100) | 32 | 2 | 0 (0) | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0) |
4–6 | 26 (96) | 25 | 1 | 1 (4) | 0 | 1 | 0 | 0 | 0 | 0 | 0 (0) |
7–9 | 22 (69) | 21 | 1 | 8 (25) | 0 | 2 | 5 | 0 | 1 | 0 | 2 (6) |
10–12 | 33 (79) | 32 | 1 | 7 (17) | 0 | 1 | 5 | 1 | 0 | 0 | 2 (5) |
13–15 | 45 (73) | 39 | 6 | 15 (24) | 1 | 0 | 8 | 5 | 0 | 1 | 2 (3) |
Total | 160 (81) | 149 | 11 | 31 (16) | 1 | 4 | 18 | 6 | 1 | 1 | 6 (3) |