Table 4.
Variables | Propensity-Score Matched Cohort 1 | Propensity-Score Matched Cohort 2 | ||||||
---|---|---|---|---|---|---|---|---|
High Risk | Low Risk | OR (95% CI) | p | Medium Risk | Low Risk | OR (95% CI) | p | |
−4 > OSTA | OSTA > −1 | −1 ≥ OSTA ≥ −4 | OSTA > −1 | |||||
n = 1268 (I) | n = 1268 (III) | n = 1932 (II) | n = 1932 (III) | |||||
Head & Face, n (%) | ||||||||
Cranial fracture | 32 (2.5) | 23 (1.8) | 1.7 (0.92–3.03) | 0.089 | 36 (1.9) | 50 (2.6) | 0.9 (0.64–1.25) | 0.500 |
Facial bone fracture | 25 (2.0) | 38 (3.0) | 0.7 (0.39–1.09) | 0.097 | 91 (4.7) | 100 (5.2) | 0.9 (0.68–1.21) | 0.504 |
Vertebrae, n (%) | ||||||||
Vertebral fracture | 37 (2.9) | 52 (4.1) | 0.7 (0.46–1.08) | 0.106 | 81 (4.2) | 81 (4.2) | 1.0 (0.73–1.37) | 1.000 |
Extremity, n (%) | ||||||||
Humeral fracture | 70 (5.5) | 121 (9.5) | 0.7 (0.50–1.00) | 0.047 | 155 (8.0) | 184 (9.5) | 1.0 (0.82–1.15) | 0.707 |
Radial fracture | 131 (10.3) | 257 (20.3) | 0.5 (0.39–0.71) | <0.001 | 334 (17.3) | 349 (18.1) | 1.0 (0.86–1.14) | 0.922 |
Pelvic fracture | 21 (1.7) | 20 (1.6) | 1.5 (0.69–3.14) | 0.324 | 54 (2.8) | 42 (2.2) | 1.2 (0.95–1.65) | 0.118 |
Femoral fracture | 638 (50.3) | 255 (20.1) | 3.4 (2.73–4.24) | <0.001 | 525 (27.2) | 302 (15.6) | 1.4 (1.24–1.54) | <0.001 |
Patella fracture | 22 (1.7) | 76 (6.0) | 0.5 (0.27–0.78) | 0.004 | 59 (3.1) | 84 (4.3) | 0.9 (0.69–1.16) | 0.394 |
Tibia fracture | 49 (3.9) | 107 (8.4) | 0.6 (0.38–0.83) | 0.004 | 142 (7.3) | 164 (8.5) | 1.0 (0.83–1.18) | 0.894 |