Table 5: Comparison of Ramsey sedation score among the study groups

Sedation score		Groups		Mean Rank		Mann-Whitney Test
		Group I	Group II	Group I	Group II	Z	P-value
T 2	Range	1-6	1-6	15.133	15.867	-0.234	0.815
	Median(IRQ)	2(4)	2(3)
T 6	Range	1-6	1-6	14.367	16.633	-0.729	0.466
	Median(IRQ)	2(2)	2(1)
T 10	Range	1-5	1-6	14.967	16.033	-0.340	0.734
	Median(IRQ)	2(3)	2(3)
T 24	Range	1-6	1-6	14.233	16.767	-0.822	0.411
	Median(IRQ)	2(2)	2(2)
Friedman Test	X2	1.626	1.219
	P-value	0.654	0.749

T2=2 hrs postoperative   T6=6 hrs postoperative   T10= 10 hrs postoperative  T24=24 hrs postoperative