Table 3.
Risk of voiding trial failure by predictor
| Predictor | Passed voiding trial N = 245 |
Failed voiding trial N = 49 |
P value | Crude RR (95 % CI) |
Adjusted RR (95 % CI)a |
|---|---|---|---|---|---|
| Preoperative PVR | 0.001 | ||||
| <150 | 221 (86.0) | 36 (14.0) | Ref | Ref | |
| ≥150 | 24 (64/9) | 13 (35.1) | 2.5 (1.5–4.3) | 1.9 (1.1–3.2) | |
| Institution | <0.0001 | ||||
| BIDMC | 82 (70.7) | 34 (29.3) | 3.5 (2.0–6.1) | 3.0 (1.6–5.4) | |
| MAH | 162 (91.5) | 15 (8.5) | Ref | Ref | |
| Race | 0.04 | ||||
| Black | 8 (61.5) | 5 (38.5) | 2.7 (1.3–5.7) | 1.5 (0.80–2.9) | |
| Hispanic | 11 (73.3) | 4 (26.7) | 1.9 (0.8–4.5) | 1.1 (0.41–2.7) | |
| Other | 11 (73.3) | 4 (26.7) | 1.9 (0.8–4.5) | 1.5 (0.61–3.9) | |
| White | 215 (85.7) | 36 (14.3) | Ref | Ref |
Data presented as n (%)
BIDMC Beth Israel Deaconess Medical Center, MAH Mount Auburn Hospital, RR risk ratio, CI confidence interval
Models adjusted for other variables in the table