Table 3. Comparison of the surgical outcome parameters.
| Variable | Group A (n=426) | Group B (n=70) | Group C (n=6) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Preop. | 6 Months | p-valuea | Preop. | 6 Months | p-valuea | Preop. | 6 Months | p-valuea | |
| IPSS | |||||||||
| Total score | 17.9±7.8 | 9.7±7.9 | <0.001* | 18.8±8.7 | 10.1±7.6 | <0.001* | 13.2±3.6 | 3.3±2.2 | 0.002* |
| Voiding symptom score | 10.8±5.3 | 4.4±5.3 | <0.001* | 10.9±6.1 | 4.7±5.5 | <0.001* | 6.8±3.1 | 0.5±0.5 | 0.004* |
| Storage symptom store | 7.1±3.5 | 5.4±3.6 | <0.001* | 8.0±3.7 | 5.4±3.2 | 0.001* | 6.3±1.8 | 2.8±1.7 | 0.011* |
| Quality of life score | 4.0±1.3 | 2.3±1.6 | <0.001* | 4.4±1.1 | 2.5±1.6 | <0.001* | 3.2±1.2 | 0.8±1.0 | 0.022* |
| Uroflowmetry | |||||||||
| Qmax (mL/s) | 9.2±4.5 | 20.5±10.7 | <0.001* | 8.4±3.9 | 24.5±10.9 | <0.001* | 9.5±3.0 | 20.7±6.1 | 0.023* |
| PVR (mL) | 64.6±83.6 | 14.4±37.3 | <0.001* | 91.1±104.3 | 12.0±24.6 | <0.001* | 118.7±134.0 | 71.0±80.3 | 0.426 |
Values are presented as mean±standard deviation.
Group A, total prostate volume (TPV)<100 mL; group B, 100 mL≤TPV<200 mL; group C, TPV≥200 mL; Preop., preoperatively; IPSS, International Prostate Symptom Score; Qmax, maximum flow rate; PVR, postvoid residual.
a:Paired t-test. *p<0.05.