Table 1.

Correlation of Kellgren-Lawrence grading with visual analog scale and Western Ontario and McMaster Universities Arthritis score

KL Grading	Distribution, n (%)	VAS, mean±SD	WOMAC, mean±SD
Grade 1	11 (12.9)	5.22±0.82	56.45±6.83
Grade 2	18 (21.2)	5.57±1.19	57.94±9.25
Grade 3	22 (25.9)	5.89±1.29	59.38±8.58
Grade 4	34 (40)	6.21±1.04	62.93±8.19
ANOVA test**		4.89	4.97
P		<0.04*	<0.04*

KL Grading: Kellgren–Lawrence grading, VAS: Visual analog scale, WOMAC: Western Ontario and McMaster Universities Arthritis, n: Number of knees, SD: Standard deviation, ANOVA: Analysis of variance, *: Statistically significant