Retrospective study on the effects of different acupuncture protocols on gastrointestinal function recovery after general anesthesia gastrointestinal endoscopy

Table 4 Comparison of postoperative abdominal pain visual analog scale scores between two groups, mean ± SD

Group	n	2 hours postop	6 hours postop	12 hours postop	24 hours postop
Conventional group	40	2.02 ± 0.93	2.85 ± 1.23	2.22 ± 1.06	0.89 ± 0.50
Optimized group	40	1.86 ± 0.82	1.94 ± 0.81	1.43 ± 0.75	0.71 ± 0.42
t value	-	0.824	4.074	3.872	1.788
P value	-	0.412	< 0.001	< 0.001	0.077
Main effect of “time”	F = 64.118, P < 0.001	-	-	-	-
Main effect of “group”	F = 14.326, P < 0.001	-	-	-	-
“Time × group” interaction	F = 5.046, P = 0.002	-	-	-	-