A meta-regression evaluating the effectiveness and prognostic factors of oral phosphodiesterase type 5 inhibitors for the treatment of erectile dysfunction
Publication in refereed journal

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其它資訊
摘要The effectiveness of phosphodiesterase type 5 inhibitors (PDE5-Is) for erectile dysfunction (ED) varies considerably among trials, but available studies investigating the factors that affect the effectiveness are few and findings are not consistent. A systematic search was performed in PubMed, Cochrane Library, and EMBASE to identify randomized controlled trials comparing PDE5-Is with placebo for the treatment of ED. The methodological quality of included studies was assessed by the Cochrane Collaborations tool for assessing risk of bias. The associations between prespecified study-level factors and effectiveness were tested by a random effects meta-regression model. This study included 93 trials with 26 139 patients. When all PDE5-Is were grouped together, Caucasian ethnicity was associated with 15.636% (95% confidence interval [CI]: 0.858% to 32.579%) increase in risk ratio (RR) for Global Assessment Questionnaire question-1 (GAQ-1), and 1.473 (95% CI: 0.406 to 2.338) score increase in mean difference (MD) for posttreatment International Index of Erectile Function-Erectile Function domain score (IIEF-EF), compared to Asian ethnicity. A one-score increase in baseline IIEF-EF was associated with -5.635% (95% CI: -9.120% to -2.017%) reduction in RR for GAQ-1, and -0.229 (95% CI: -0.425 to -0.042) score decrease in MD for posttreatment IIEF-EF. In conclusion, PDE5-Is are more effective in Caucasians than Asians, and in patients with more severe ED.
著者Yuan J.-Q., Mao C., Yang Z.-Y., Fu X.-H., Wong S.Y., Tang J.-L.
期刊名稱Asian Journal of Andrology
出版年份2016
月份1
日期1
卷號18
期次1
出版社Shanghai Institute of Materia Medica
出版地China
頁次60 - 65
國際標準期刊號1008-682X
電子國際標準期刊號1745-7262
語言英式英語
關鍵詞Erectile dysfunction, Meta?regression, Phosphodiesterase type 5 inhibitors, Systematic review

上次更新時間 2020-19-09 於 04:01