Table 2.

Postoperative VAS Scores Among the Three Groups

	Combination Analgesia Group	Ropivacaine Group	Control Group	Combination Analgesia vs Ropivacaine Group	Combination Analgesia vs Control Group	Ropivacaine Group vs Control Group
Number	31	30	32	P value
Primary outcome
12 h	3 (2,3)	3 (3,4)	4 (4,5)	0.058	<0.001	<0.001
Secondary outcome
0 h	2 (2,2)	2 (2,3)	4 (3,4)	>0.9	<0.001	<0.001
2 h	2 (2,3)	2 (2,3)	4 (4,4.75)	>0.9	<0.001	<0.001
24 h	3 (2,3)	4 (3,4)	4 (3,5)	0.005	<0.001	0.148
3 d	3 (2,3)	3 (2,3.25)	3.5 (3,4)	0.117	<0.001	0.025
5 d	2 (2,3)	3 (2,3)	3 (3,3)	0.271	<0.001	0.107
7 d	2 (1,2)	2 (2,2)	2 (2,3)	0.193	<0.001	0.091
14 d	1 (1,1)	2 (1,2)	2 (1,2)	0.005	<0.001	>0.9
PCA dose	40 (28,50)	49 (42.25,55)	55 (40,66)	0.06	0.001	0.765

Note: Data are expressed as median (lower and upper quartiles).

Abbreviation: PCA, patient-controlled analgesia.