Table 2.

Distribution of MRC Scores within KL Grade, n (%)

	MRC 0	MRC 1	MRC 2	MRC 3	MRC 4	TOTAL n = 73
KL 0	12.5 (17.1)	0 (0)	17.1 (23.4)	4.8 (6.6)	4.1 (5.6)	38.5 (52.7)
KL 1	9.8 (13.4)	0.5 (0.6)	8.5 (11.7)	9.1 (12.5)	1.2 (1.6)	29.0 (39.8)
KL 2	1.3 (1.8)	0 (0)	1.2 (1.7)	1.2 (1.6)	0 (0)	3.7 (5.0)
KL 3	1.2 (1.7)	0 (0)	0 (0)	0.6 (0.8)	0 (0)	1.8 (2.5)
KL 4	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)

We used stratum-sampling weights based on recruitment numbers, hence (weighted) counts are non-integer

MRC magnetic resonance cartilage, KL Kellgren Lawrence