Table 3.

Comparison of the groups of patients with no pain (VAS=0) vs. any pain (VAS=1–10) and no pain or only slight pain sensation (VAS=0 or VAS=1) vs. strong pain (VAS=2–10) between group A (bupivacaine) and group B (placebo).

Time	Group A (bupivacaine)(n=54)		Group B (placebo)(n=52)		p value
	VAS=0	VAS=1–10	VAS=0	VAS=1–10
0 (immediately after awaking)	32	22	25	27	0.248
1st post-operative hour	19	35	15	37	0.485
2nd post-operative hour	25	29	17	35	0.152
3rd post-operative hour	30	24	19	33	0.05
4th post-operative hour	35	19	19	33	0.004
8th post-operative hour	37	17	31	21	0.339
12th post-operative hour	41	13	27	25	0.01
16th post-operative hour	42	12	33	19	0.105
20th post-operative hour	33	21	26	26	0.25
24th post-operative hour	30	24	21	31	0.118
	VAS=0 or VAS =1	VAS=2–10	VAS=0 or VAS=1	VAS=2–10
0 (immediately after awaking)	35	19	28	24	0.25
1st post-operative hour	25	29	20	32	0.415
2nd post-operative hour	31	23	25	27	0.336
3rd post-operative hour	38	16	32	20	0.337
4th post-operative hour	41	13	29	23	0.028
8th post-operative hour	46	8	37	15	0.08
12th post-operative hour	46	8	41	11	0.395
16th post-operative hour	46	8	40	12	0.277
20th post-operative hour	43	11	37	15	0.311
24th post-operative hour	37	17	33	19	0.583

VAS – Visual Analogue Scale.