Table 2.
Comparison of change in preoperative to postoperative parameters.
| Parameter | OSP (n = 23) | RSP (n = 29) | P value∗ |
|---|---|---|---|
| IPSS (Total) | |||
| Preoperative | 15.7 ± 8.3 | 23.3 ± 7.2 | |
| Postoperative | 4.7 ± 3.7 | 5.0 ± 2.5 | |
| Improvement of IPSS (ᇫ) | 11.1 ± 6.6 | 18.3 ± 8.2 | 0.05 |
| QoL score | |||
| Preoperative | 3.4 ± 1.5 | 4.3 ± 1.0 | |
| Postoperative | 1.1 ± 1.4 | 1.2 ± 1.0 | |
| Improvement of QoL (ᇫ) | 2.3 ± 1.3 | 3.1 ± 1.6 | 0.22 |
| Qmax (ml/s) | |||
| Preoperative | 9.0 ± 5.0 | 8.1 ± 5.6 | |
| Postoperative | 14.1 ± 4.7 | 18.9 ± 9.8 | |
| Improvement of Qmax (ᇫ) | 5.1 ± 4.8 | 10.9 ± 7.0 | 0.06 |
| PVR (ml) | |||
| Preoperative | 137.9 ± 97.0 | 134.3 ± 128.5 | |
| Postoperative | 15.0 ± 25.7 | 23.2 ± 33.8 | |
| Improvement of PVR (ᇫ) | 122.9 ± 100.6 | 111.1 ± 104.4 | 0.77 |
IPSS, International prostatic symptom score; OSP, open simple prostatectomy; PVR, postvoid residual; QOL, quality of life; Qmax, maximal flow rate; RSP, robotic simple prostatectomy.
∗P values were calculated using Student t test.