Table 3.
Proportional hazards regression model of association of demographic factors with secondary procedure after pyeloplasty
| Characteristic | No. Pts | HR (95% CI) |
|---|---|---|
| Age (yrs): | ||
| 0–2 | 874 | Referent |
| 3–6 | 323 | 0.74 (0.48–1.13) |
| 7–13 | 405 | 0.93 (0.64–1.35) |
| 14–18 | 374 | 1.19 (0.80–1.77) |
| Gender: | ||
| Male | 1,322 | Referent |
| Female | 654 | 0.90 (0.68–1.19) |
| Minimally invasive approach: | ||
| No | 1,360 | Referent |
| Yes | 616 | 1.11 (0.80–1.55) |
| LOS (days): | ||
| 1–2 | 1,515 | Referent |
| 3–5 | 407 | 1.65 (1.22–2.24)* |
| 6 or Greater | 54 | 3.94 (2.41–6.46)* |
Significant (p <0.05).