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. 2016 Jun 17;95(24):e3862. doi: 10.1097/MD.0000000000003862

Figure 2.

Figure 2

A, Forest plot for the association of post-TURP versus pre-TURP IIEF-5 score. The association was indicated as standard mean difference (SMD) estimate with the corresponding 95% confidence interval (CI). The SMD estimate of each study is marked with a solid black square. The size of the square represents the weight that the corresponding study exerts in the meta-analysis. SMD less than 0 indicates decreased erectile function.B, Forest plot for the association of postoperative versus preoperative erectile function of PKRP and PKEP. The association was indicated as SMD estimate with the corresponding 95% CI. The SMD estimate of each study is marked with a solid black square. The size of the square represents the weight that the corresponding study exerts in the meta-analysis. SMD less than 0 indicates decreased erectile function. C, Forest plot for the association of postoperative versus preoperative erectile function of HoLEP, HoLRP, PVP, and Thulium laser. The association was indicated as SMD estimate with the corresponding 95% CI. The SMD estimate of each study is marked with a solid black square. The size of the square represents the weight that the corresponding study exerts in the meta-analysis. SMD less than 0 indicates decreased erectile function. D, Forest plot for the association of postoperative versus preoperative erectile function of open prostatectomy and LSP. The association was indicated as SMD estimate with the corresponding 95% CI. The SMD estimate of each study is marked with a solid black square. The size of the square represents the weight that the corresponding study exerts in the meta-analysis. SMD less than 0 indicates decreased erectile function. HoLEP = Holmium laser enucleation of the prostate, HoLRP = Holmium laser resection of the prostate, LSP = laparoscopic simple prostatectomy, OP = open prostatectomy, PKEP = plasmakinetic enucleation of the prostate, PKRP = plasmakinetic resection of the prostate, PVP = photoselective vaporization of the prostate, TURP = transurethral resection of the prostate.