Table 3.

Drug characteristics in both the groups

Characteristics	Group I	Group II	P value
Mean sedation scores (h)	2.68 ± 0.56	2.86 ± 0.52	0.71
Duration of analgesia (h)	8.5 ± 3.4	13.4 ± 3.4	<0.05
Mean OPS score	3.72 ± 0.42	3.58 ± 0.40	0.59
Total analgesic dose	172 ± 80	96 ± 72	<0.05