Table 3.
Univariate and multivariate logistic regression analysis after matching
| Characteristic | Univariable | Multivariable | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | Event N | OR | 95% CI | P-value | N | Event N | OR | 95% CI | P-value | |
| Age (years) | 188 | 41 | 1.01 | 0.96, 1.06 | 0.714 | 188 | 41 | 0.99 | 0.94, 1.05 | 0.859 |
| Gender | ||||||||||
| Female | 136 | 28 | — | — | 136 | 28 | — | — | ||
| Male | 52 | 13 | 1.29 | 0.61, 2.73 | 0.513 | 52 | 13 | 0.91 | 0.38, 2.15 | 0.826 |
| BMI (kg/m2) | ||||||||||
| < 18.5 | 155 | 33 | — | — | 155 | 33 | — | — | ||
| ≥ 25 | 23 | 6 | 1.30 | 0.48, 3.57 | 0.605 | 23 | 6 | 1.23 | 0.41, 3.68 | 0.714 |
| 18.5–25 | 10 | 2 | 0.92 | 0.19, 4.56 | 0.923 | 10 | 2 | 1.46 | 0.28, 7.72 | 0.656 |
| Type of fracture | ||||||||||
| Femoral neck fracture | 105 | 22 | — | — | 105 | 22 | — | — | ||
| Intertrochanteric fracture | 83 | 19 | 1.12 | 0.56, 2.24 | 0.749 | 83 | 19 | 1.09 | 0.23, 5.08 | 0.917 |
| Operation type | ||||||||||
| Arthroplasty | 89 | 19 | — | — | 89 | 19 | — | — | ||
| Internal fixation | 99 | 22 | 1.05 | 0.53, 2.11 | 0.885 | 99 | 22 | 0.96 | 0.23, 4.02 | 0.951 |
| Hypertension | ||||||||||
| No | 83 | 20 | — | — | ||||||
| Yes | 105 | 21 | 0.79 | 0.39, 1.58 | 0.500 | |||||
| Diabetes | ||||||||||
| No | 134 | 28 | — | — | 134 | 28 | — | — | ||
| Yes | 54 | 13 | 1.20 | 0.57, 2.54 | 0.633 | 54 | 13 | 1.56 | 0.68, 3.57 | 0.294 |
| CVD | ||||||||||
| No | 174 | 37 | — | — | ||||||
| Yes | 14 | 4 | 1.48 | 0.44, 4.99 | 0.526 | |||||
| CRD | ||||||||||
| No | 179 | 38 | — | — | ||||||
| Yes | 9 | 3 | 1.86 | 0.44, 7.76 | 0.397 | |||||
| Denosumab treatment | ||||||||||
| No | 79 | 20 | — | — | ||||||
| Yes | 109 | 21 | 0.70 | 0.35, 1.41 | 0.323 | |||||
| Hb (g/L) | 188 | 41 | 1.00 | 0.98, 1.02 | 0.991 | 188 | 41 | 1.02 | 0.96, 1.09 | 0.494 |
RBC (
/L)
|
188 | 41 | 0.92 | 0.50, 1.70 | 0.796 | 188 | 41 | 0.71 | 0.11, 4.46 | 0.715 |
PLT (
/L)
|
188 | 41 | 1.00 | 1.00, 1.01 | 0.179 | |||||
| ALT (U/L) | 188 | 41 | 1.00 | 0.98, 1.02 | 0.860 | |||||
| AST (U/L) | 188 | 41 | 1.01 | 0.99, 1.04 | 0.261 | |||||
| Serum calcium (mmol/L) | 188 | 41 | 0.10 | 0.00, 2.33 | 0.150 | |||||
| Serum phosphorus (mmol/L) | 188 | 41 | 1.09 | 0.23, 5.17 | 0.918 | |||||
| TG (mmol/L) | 188 | 41 | 0.78 | 0.40, 1.50 | 0.452 | |||||
| HDL-C (mmol/L) | 188 | 41 | 0.69 | 0.24, 2.01 | 0.502 | |||||
| Glucose (mmol/L) | 188 | 41 | 0.92 | 0.76, 1.11 | 0.361 | |||||
| Length of hospital stay (days) | 188 | 41 | 1.00 | 0.94, 1.06 | 0.925 | |||||
| Anesthesia time (minutes) | 188 | 41 | 1.00 | 0.99, 1.01 | > 0.999 | |||||
| ASA | ||||||||||
| I | 8 | 4 | — | — | ||||||
| II | 136 | 25 | 0.23 | 0.05, 0.96 | 0.044 | |||||
| III | 42 | 12 | 0.40 | 0.09, 1.86 | 0.243 | |||||
| IV | 2 | 0 | 0.00 | 0.00, Inf | 0.988 | |||||
| Perioperative thrombosis | ||||||||||
| No | 169 | 38 | — | — | ||||||
| Yes | 19 | 3 | 0.65 | 0.18, 2.34 | 0.506 | |||||
| Pneumonia | ||||||||||
| No | 180 | 38 | — | — | ||||||
| Yes | 8 | 3 | 2.24 | 0.51, 9.80 | 0.283 | |||||
| Refracture | ||||||||||
| No | 141 | 29 | — | — | 141 | 29 | — | — | ||
| Yes | 47 | 12 | 1.32 | 0.61, 2.87 | 0.476 | 47 | 12 | 1.47 | 0.64, 3.36 | 0.362 |
| PNI | 188 | 41 | 0.90 | 0.83, 0.99 | 0.023 | 188 | 41 | 0.87 | 0.78, 0.98 | 0.018 |