Process-based nursing using explanation-simulation-practice-communication-support model for pain management after liver cancer intervention

Table 2 Comparison of postoperative pain scores between the two groups, mean ± SD

Group	Case	2 hours postoperatively	6 hours postoperatively	12 hours postoperatively	24 hours postoperatively
Control	250	4.36 ± 1.03	3.69 ± 0.82	3.13 ± 0.65	2.51 ± 0.82
Observation	250	4.18 ± 0.85	3.31 ± 0.67	2.89 ± 0.58	1.82 ± 0.69
t	-	2.131	5.674	4.356	10.180
P value	-	0.034	< 0.001	< 0.001	< 0.001