Table 5.
Proportional odds model for urinary retention
| Model with edema between | Factor | Odds ratio | 95% CI | P value* | |
|---|---|---|---|---|---|
|
∆V2 – V1 |
Baseline volume |
1.04 |
0.99 |
1.07 |
0.063 |
| Source activity |
0.94 |
0.48 |
1.84 |
0.86 |
|
| V2-V1 |
1.00 |
0.93 |
1.07 |
0.91 |
|
|
∆V3 – V1 |
Baseline volume |
1.04 |
1.00 |
1.08 |
0.032 |
| Source activity |
0.93 |
0.48 |
1.82 |
0.83 |
|
| V3-V1 |
1.01 |
0.96 |
1.08 |
0.57 |
|
|
∆V3 – V2 |
Baseline volume |
1.04 |
1.00 |
1.07 |
0.052 |
| Source activity |
0.98 |
0.50 |
1.94 |
0.96 |
|
| V3-V2 | 1.09 | 0.96 | 1.24 | 0.19 | |
Abbreviations: OR the odds ratio, CI confidence intervals, V1 baseline volume, V2 volume after insertion of 2 fixation needles, V3 volume at the completion of the implant.* bold when p < 0.05.