Table 1.

Characteristics of knee osteoarthritis patients.

Items	Control group (N = 63)	Meloxicam group (N = 65)	P value
Age (yr), mean ± SD	67.2 ± 6.2	66.3 ± 5.6	.638
Gender, no. (%)			.285
Female	40 (63.5)	47 (72.3)
Male	23 (36.5)	18 (27.7)
BMI (kg/m2), mean ± SD	24.2 ± 2.1	24.0 ± 2.0	.735
HSS score before operation, mean ± SD	39.9 ± 7.6	41.3 ± 8.7	.215
Previous use of chondroitin, no. (%)	28 (44.4)	26 (41.3)	.719

BMI = body mass index, HSS = hospital for special surgery knee score, SD = standard deviation.