Table 4.
Risk factors associated with revision surgery in O group (n=60)
| Univariate | Multivariate | |||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Age | 0.99 (0.94-1.04) | 0.594 | 1.05 (0.94-1.18) | 0.374 |
| Gender | ||||
| Male | References | NA | ||
| Female | 0.00 (NA) | 0.998 | ||
| Smoking | ||||
| No | References | NA | References | NA |
| Yes | 15.77 (1.69-147.51) | 0.016* | 20.99 (4.08-602.66) | 0.005* |
| DM | ||||
| No | References | NA | References | NA |
| Yes | 0.78 (0.08-7.39) | 0.830 | 0.64 (0.01-35.11) | 0.825 |
| Injury over dominant hand | ||||
| No | References | NA | References | NA |
| Yes | 0.46 (0.08-2.75) | 0.398 | 0.13 (<0.01-5.66) | 0.292 |
| Shortening | ||||
| No | References | NA | References | NA |
| Yes | 10.60 (0.57-196.45) | 0.113 | 1.10 (<0.01-390.44) | 0.974 |
| Robinson classification | ||||
| 2B1 | References | NA | References | NA |
| 2B2 | 1.96 (0.32-12.09) | 0.471 | 8.69 (0.29-259.75) | 0.212 |
| Duration between two surgeries | ||||
| <1 weeks | References | NA | References | NA |
| 1 week-1 month | 1.63 (0.15-17.69) | 0.690 | 0.40 (0.01-16.33) | 0.624 |
| >1 month | 3.71 (0.52-26.42) | 0.190 | 0.20 (<0.01-28.12) | 0.519 |
Data are presented as ORs (95% CI). *P<0.05 was considered statistically significant. ORs: Odds ratios, NA: Not available, CI: Confidence interval, DM: Diabetes mellitus