Table 1.

Demographic profile of the two groups

	Group A 0.5% hyperbaric bupivacaine with 0.2 ml normal saline	Group B 0.5% hyperbaric bupivacaine and 0.2 ml (20mg) tramadol
Age (years)	46 ± 5.82	48 ± 2.23
Weight (in kg)	51 ± 2.3	49 ± 2.21
Height (in cm)	151 ± 3.2	152 ± 4.8
Duration of surgery (in min)	120 ± 10.23	118 ± 8.83