Table 2.

Mean ± SD of VAS in two groups across the time.

	Acetaminophen group (n = 54)	Morphine group (n = 54)	P value
Min 15	5.87 ± 2	7.46 ± 2.51	0.0001
Min 30	4.09 ± 2.68	6.09 ± 2.69	0.0001
Min 45	2.46 ± 2.09	4.26 ± 2.51	0.0001
Min 60	2.02 ± 2.03	3.31 ± 2.51	0.004