Table 2.
Univariate and multivariate regression analyses of risk factors
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| OR (95%CI) | P value | OR (95%CI) | P value | |
| Age (years) | 1.08 (1.04, 1.12) | <0.01 | 1.07 (1.02, 1.15) | <0.001 |
| BMI (kg m2) | 0.96 (0.84, 1.03) | 0.386 | ||
| Duration (months) | 1.00 (0.99, 1.01) | 0.982 | ||
| Smoking | 1.65 (0.91, 3.03) | 0.101 | ||
| Drinking | 1.26 (0.67, 2.34) | 0.471 | ||
| Acute urinary retention | 0.54 (0.27, 1.05) | 0.073 | ||
| Medication | 1.42 (0.78, 2.56) | 0.245 | ||
| Glucose | 1.10 (0.82, 1.48) | 0.499 | ||
| Creatinine | 1.00 (0.99, 1.01) | 0.261 | ||
| Albumin | 0.91 (0.84, 0.98) | 0.026 | ||
| Urinary tract infection | 1.83 (1.01, 3.32) | 0.046 | ||
| Hypertension | 0.83 (0.68, 2.56) | 0.670 | ||
| Diabetes | 2.47 (1.14, 5.31) | 0.020 | ||
| PV (ml) | 0.98 (0.97, 1.00) | 0.061 | ||
| PVR (ml) | 1.00 (0.92, 1.00) | 0.304 | ||
| tPSA (ng/ml) | 1.00 (0.92, 1.08) | 0.996 | ||
| Preoperative gross hematuria | 0.48 (0.27, 0.87) | 0.016 | ||
| IPSS | 1.04 (0.96, 1.14) | 0.265 | ||
| Qol | 1.14 (0.72, 1.83) | 0.561 | ||
| Qmax | 0.89 (0.82, 0.98) | 0.017 | ||
| MCC (ml) | 0.99 (0.98, 0.99) | <0.01 | ||
| Bladder compliance | 3.96 (2.17, 7.24) | <0.01 | 2.37 (1.20, 4.67) | 0.013 |
| Detrusor function | 11.2 (4.30, 29.2) | <0.01 | 5.92 (2.10, 16.6) | 0.001 |
| Bladder outlet obstruction | 4.08 (2.21, 7.54) | <0.01 | 2.21 (1.07, 4.54) | 0.030 |
| Surgery type | 1.12 (0.49, 2.59) | 0.79 | ||
| OT (min) | 0.99 (0.98, 1.01) | 0.524 | ||
| Bladder stone | 1.85 (0.68, 5.00) | 0.22 | ||
| Cystic trabeculae | 1.34 (0.75, 2.38) | 0.31 | ||
BMI Body Mass Index, PV Prostate Volume, PVR Post-void Residual, BOO Bladder Outlet Obstruction, OT operation time