Table 1.

Clinical characteristics of patients (VAS<6 and VAS≥6 groups)

Characteristics	VAS<6 (n=30)	VAS≥6 (n=44)
Age (years), mean ± standard error	75.5±1.2	72.8±1.3
Male/female (n)	9/21	6/38
BMI (kg/m2), mean ± standard error	25.7±0.7	26.4±0.7
Kellgren/Lawrence grades 3/4 patients (n)	10/20	17/27
VAS (cm), mean ± standard error	3.6±0.3	8.4±0.2

Abbreviations: VAS, visual analog scale; BMI, body mass index.