Meta-analytical outputs summarising baseline parameters of PVP compared with TURP
| Parameter | No of studies | Sample size | Heterogeneity (Total) | Mean difference (95% CI) | Test for overall effect | |||||
| PVP | TURP | χ2 | df | I2 (%) | P value | |||||
| IPSS | ||||||||||
| Baseline | 14 | 1179 | 989 | 11.32 | 13 | 0 | 0.58 | −0.29 (–0.68 to 0.10) | Z=1.47 | P=0.14 |
| Qmax | ||||||||||
| Baseline | 14 | 1179 | 989 | 70.23 | 13 | 81 | <0.01 | 0.05 (–0.51 to 0.61) | Z=0.17 | P=0.87 |
| PVR | ||||||||||
| Baseline | 12 | 1016 | 864 | 9.24 | 11 | 0 | 0.6 | 2.19 (–3.22 to 7.6) | Z=0.79 | P=0.43 |
| QoL | ||||||||||
| Baseline | 10 | 910 | 766 | 11.15 | 9 | 19 | 0.27 | 0.01 (–0.07 to 0.10) | Z=0.33 | P=0.74 |
| IIEF | ||||||||||
| Baseline | 5 | 351 | 297 | 1.58 | 4 | 0 | 0.81 | −0.13 (–0.86 to 0.60) | Z=0.34 | P=0.73 |
IIEF, International Index of Erectile Function; IPSS, International Prostate Symptom Score; PVP, photoselective vaporisation of the prostate; PVR, postvoid residual volume; Qmax, maximum flow rate; QoL, quality of life; RR, risk ratio; TURP, transurethral resection of the prostate.