Table 2.
Outcome of cystoinflation and control groups.
| (a) Primary outcome | ||||
|---|---|---|---|---|
| Outcome parameters | Cystoinflation group(n = 107) | Control group (n = 107) |
β (95%Confidence interval) | P-value |
| Bladder injury rate | 3 (2.8%) | 22 (20.6%) | − 0.276 (− 0.261–0.094) | < 0.0001 |
| Size (cm) | 0.033 ± 0.22 | 0.794 ± 1.66 | − 0.307 (− 1.082–0.442) | < 0.0001 |
| Site | ||||
| Dome of bladder | 3 (2.8%) | 18 (16.8%) | − 0.215 (− 0.317–0.113) | < 0.0001 |
| Posterior bladder wall | 0 | 4 (3.7%) | ||
| Depth | ||||
| Muscularis partial | 1 (0.9%) | 8 (7.5%) | − 0.247 (− 0.587–0.180) | < 0.0001 |
| Muscularis total | 0 | 2 (1.9%) | ||
| Perforation | 2 (1.9%) | 12 (11.2%) | ||
| Operative time (min) | ||||
| Total subjects | 45 ± 8.66 | 45 ± 16.99 | < 0.0001 (− 3.634–3.634) | 1 |
| Distension arm | 44.66 ± 8.541 | 37.59 ± 6.437 | 0.419 (4.864–0.9.287) | < 0.0001 |
| Injury arm | 56.67 ± 2.887 | 73.64 ± 14.49 | − 0.383 (− 34.63–0.691) | 0.059 |
| Blood loss during surgery (cc) | ||||
| Total subjects | 585.327 ± 152.52 | 797.10 ± 385.09 | − 0.341 (− 290.706–132.845) | < 0.0001 |
| Distension arm | 574.904 ± 131.326 | 623.412 ± 162.29 | − 0.164 (− 90.64–6.38) | 0.024 |
| Bladder injury arm | 946.667 ± 378.46 | 1,468.18 ± 221.95 | − 0.593 (− 826.637–216.393) | 0.002 |
| Blood transfusions | ||||
| Total subjects | 4 (3.7%) | 24 (22.4%) | − 0.277 (− 0.275–0.099) | < 0.0001 |
| Distension arm | 2 (1.9%) | 2 (2.4%) | − 0.015 (− 0.046–0.037) | 0.839 |
| Bladder injury arm | 2 (66.7%) | 22 (100%) | − 0.533 (− 0.550– −0. 117) | 0.004 |
| (b) Secondary outcome | ||||
|---|---|---|---|---|
| WbC count/hpf | 6.26 ± 1.003 | 7.36 ± 3.063 | − .234 (− 1.708–0.479) | 0.001 |
| Urine c /s | 2 (1.9%) | 18 (16.8%) | − 0.257 (− 0.226–073) | < 0.0001 |
| Fever | 2 (1.9%) | 13 (12.1%) | − 0.201 (− 0.171–0.035) | 0.003 |
| Composite micturition problems during the hospital stay | 0.014 ± 0.108 | 0.131 ± 0.436 | − 0.182 (− 0.202–0.031) | 0.008 |
| postmicturition bladder volume(cc) | 15.56 ± 4.968 | 14.91 ± 4.952 | 0.066 (− 0.682–1.991) | 0.336 |
| Vasicovaginal fistula | None | 1 (1%) | − 0.069 (0.028–0.009) | 0.318 |
| Duration of urinary catheterization | 1.25 ± 1.626 | 3.14 ± 4.575 | − 0.266 (− 2.813–0.963) | < 0.0001 |
| Duration of hospital stay (days) | 4.18 ± 1.156 | 5.50 ± 3.506 | − 0.246 (− 2.021–0.614) | < 0.0001 |
| Composite micturition problems after discharge | 0.0048 ± 0.0345 | 0.0728 ± 0.226 | − 0.207 (− 0.112–0.024) | 0.003 |
Values are mean ± SD, and number (proportions). UTI: urinary tract infection, WBC/hpf: white cell count per high power field, c/s: culture and sensitivity, β: Co-efficiant of regression, P-value: regression analysis.