Table 2: Time required for each period between groups

Period Lateral decubitus (N = 20) Beach chair (N = 20) p value
P0 18:03 (8:28) 19:03 (7:40) 0.7
P1 10:13 (2:07) 14:12 (2:29) < 0.0001
P2 1:51 (0:42) 0:22 (0:02) 0.02
P3 7:42 (0:50) 8:39 (0:52) 0.006


All results expressed as means (SD)
Units: (min:sec)
Highlighted p values refer to significant difference
P0: Anaesthetic period
P1: Installation period
P2: Modification period
P3: Draping period