“…Fourteen studies with 2865 participants were identified. The types of surgery included biliary surgery [ 20 ], anorectal surgery [ 21 , 24 , 25 , 27 , 29 , 31 ], gynecologic surgery [ 22 , 23 , 26 ], orthopedic surgery [ 28 , 30 , 32 ], and urinary surgery [ 33 ]. All studies provided data on the incidence of POUR [ [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] ], and two reported information on post-void residual urine volume [ 23 , 26 ].…”