Table 1.

Comparison of age and BMI (body mass index) between the knee osteoarthritis (OA) and healthy control groups.

	Knee OA	Control	P
N	53	48
Age (years)	71.23 ± 7.62	68.21 ± 7.17	0.066
BMI (kg/cm2)	28.33 ± 5.95	27.42 ± 4.86	0.55

Note: values are presented as mean and standard deviation (SD). Kg: kilogram. Cm: centimeter. BMI: body mass index.