Table 4 Changes of pressure-flow study parameters before and 3 months after robotic-assisted radical prostatectomy. PdetQmax = detrusor pressure at peak flow; Qmax = peak flow; RaRP = robotic-assisted radical prostatectomy.
Pre-RaRP value | Post-RaRP value | Δ-value | p-value | |
|---|---|---|---|---|
Filling phase | ||||
First desire (mL) | 134.11 ± 84.52 | 112.06 ± 60.69 | -22.05 ± 82.27 | 0.016** |
Strong desire (mL) | 220.18 ± 121.78 | 174.40 ± 79.87 | -45.78 ± 97.63 | 0.000** |
Detrusor overactivity (N) | 29 (34.1%) | 30 (35.3%) | De novo: 10 (11.8%) | |
Voiding phase | ||||
PdetQmax (cmH2O) | 52.79 ± 21.29 | 23.61 ± 12.94 | -29.18 ± 24.79 | 0.000** |
Qmax (mL/s) | 8.94 ± 3.98 | 10.20 ± 5.82 | 1.26 ± 6.40 | 0.073 |
Voided volume (mL) | 218.98 ± 111.94 | 188.06 ± 90.31 | -30.92 ± 104.11 | 0.008** |
Post-void residual urine (mL) | 38.42 ± 45.50 | 11.54 ± 14.01 | -26.88 ± 43.82 | 0.000** |
Bladder contractility index | 99.67 ± 20.79 | 74.84 ± 33.95 | -24.83 ± 31.86 | 0.000** |
Bladder outlet obstruction index | 35.59 ± 24.33 | 3.18 ± 15.85 | -32.41 ± 27.23 | 0.000** |
