Table 2. Comparison of the pain score after the intervention in patients separately for each group .

Time	Group	Mean	Std. deviation	F	p
VAS after 1 hour	Bupivacaine	3.13	0.69	39.36	<0.001
	Acetazolamide	3.30	0.41
	Placebo	4.79	0.78
VAS after 4 hours	Bupivacaine	2.78	0.80	35.27	<0.001
	Acetazolamide	2.00	0.11
	Placebo	4.72	1.63
VAS after 8 hours	Bupivacaine	2.80	0.68	23.39	<0.001
	Acetazolamide	2.62	0.44
	Placebo	4.32	1.25
VAS after 12 hours	Bupivacaine	4.32	0.91	8.16	0.001
	Acetazolamide	3.22	0.57
	Placebo	4.14	1.17
VAS after 24 hours	Bupivacaine	3.46	1.63	7.57	0.001
	Acetazolamide	2.22	0.63
	Placebo	3.55	1.12