“…23,31 the biological meshes consisted in 4 studies of crosslinked porcine meshes 23,26,27,39 and 1 study of non-crosslinked porcine meshes. 24,28,31,39 if only 2 studies were included in which all patients underwent neoadjuvant radiotherapy, perineal wound problems after eaPR occurred in a pooled percentage of 7.3% (95% Ci, 1.5-29.3; i 2 = 0%, χ 2 = 0.81; n = 20). 16,24 Perineal wound problems after eaPR and in at least 75% of the patients treated with radiotherapy occurred in a pooled percentage of 24.3% (95% Ci, 14.1-38.6; i 2 = 21%, χ 2 = 0.28; 4 studies, n = 78).…”