Table 6.
Associated extremity fractures in high-risk (OSTA < −4), medium-risk (−1 ≥ OSTA ≥ −4), and low-risk (OSTA > −1) patients in fall accidents.
| Variables | High Risk | Medium Risk | Low Risk | OR (95% CI) p | OR (95% CI) p | ||
|---|---|---|---|---|---|---|---|
| −4 > OSTA | −1 ≥ OSTA ≥ −4 | OSTA > −1 | I vs. III | II vs. III | |||
| n = 1251 (I) | n = 996 (II) | n = 947 (III) | |||||
| BMI classification | |||||||
| Underweight | 232 (18.5) | 31 (3.1) | 8 (0.8) | 26.7 (13.13–54.37) | <0.001 | 3.8 (1.72–8.25) | <0.001 |
| Normal | 887 (70.9) | 575 (57.7) | 351 (37.1) | 4.1 (3.46–4.95) | <0.001 | 2.3 (1.93–2.78) | <0.001 |
| Overweight | 130 (10.4) | 345 (34.6) | 394 (41.6) | 0.2 (0.13–0.20) | <0.001 | 0.7 (0.62–0.89) | 0.002 |
| Obese | 2 (0.2) | 45 (4.5) | 194 (20.5) | 0.0 (0.00–0.03) | <0.001 | 0.2 (0.13–0.26) | <0.001 |
| Extremity, n (%) | |||||||
| Humeral fracture | 63 (5.0) | 75 (7.5) | 85 (9.0) | 0.5 (0.38–0.75) | <0.001 | 0.8 (0.60–1.14) | 0.247 |
| Radial fracture | 134 (10.7) | 203 (20.4) | 205 (21.6) | 0.4 (0.34–0.55) | <0.001 | 0.9 (0.75–1.15) | 0.494 |
| Pelvic fracture | 16 (1.3) | 16 (1.6) | 12 (1.3) | 1.0 (0.48–2.14) | 0.980 | 1.3 (0.60–2.70) | 0.531 |
| Femoral fracture | 750 (60.0) | 410 (41.2) | 223 (23.5) | 4.9 (4.03–5.87) | <0.001 | 2.3 (1.87–2.76) | <0.001 |
| Patella fracture | 22 (1.8) | 51 (5.1) | 71 (7.5) | 0.2 (0.14–0.36) | <0.001 | 0.7 (0.46–0.97) | 0.031 |
| Tibia fracture | 16 (1.3) | 21 (2.1) | 54 (5.7) | 0.2 (0.12–0.38) | <0.001 | 0.4 (0.21–0.59) | <0.001 |
BMI = body mass index; CI = confidence interval; OR = odds ratio; OSTA = Osteoporosis Self-Assessment Tool for Asians.