Table II.
Regression analysis for factors associated with nonunion adjusting for confounding variables.
| Variable | OR (95% CI for Exp (B)) | p-value |
|---|---|---|
| Smoking status | 0.082 | |
| Non-smoker | Reference | |
| Smoker | 2.124 (0.910 to 4.958) | |
| NSAID use | 0.042 | |
| No NSAID postoperatively | Reference | |
| NSAID postoperaively | 3.503 (1.049 to 11.701) | |
| Fracture status | 0.000 | |
| Closed | Reference | |
| Open | 5.436 (2.259 to 13.077) | |
| Superficial infection | 0.026 | |
| Absent | Reference | |
| Present | 3.002 (1.140 to 7.905) | |
| Energy | 0.040 | |
| Low | Reference | |
| High | 2.513 (1.044 to 6.049) |
CI, confidence interval; NSAID, non-steroidal anti-inflammatory drugs; OR, odds ratio.