“…[11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26] In 41 studies (5,548 patients), urinary retention or PVR with intrathecal anesthesia was assessed (Table 3), 11,13,16,17,20,22, and in 39 studies (4,938 patients), urinary retention or PVR with epidural anesthesia and/or analgesia was assessed (Table 4). 28,33,35,43,[48][49][50]54, An additional five studies involved both intrathecal and epidural techniques. There is overlap in the numbers of patients/studies reported for Tables 2, 3, and 4 because multiple outcomes and/or multiple neuraxial procedures were examined in several studies.…”