Table 1.

Demographic data

Variable	Group A (n=30)	Group B (n=30)	P	Significance (S/NS)
Age (years), mean±SD	50±8.4	52±6.5	0.31	NS
Sex, n(%)
Male	13 (43)	14 (47)	0.79	NS
Female	17 (57)	16 (53)
Weight (kg), mean±SD	57±7.8	59±8.8	0.36	NS
Height (cm), mean±SD	158±7.8	159±8.6	0.64	NS
Duration of pain (months), mean±SD	8.4±3.4	7.9±3.9	0.60	NS

S: Significant, NS: Nonsignificant, SD=Standard deviation