Table 4.

Valgus and lateral cartilage progression in 30 months on MRI films among knees with baseline KL 0–1

MOST STUDY
	N of knees	N (%) of lateral cartilage progression	Crude OR (95% CI)	Adjusted OR (95% CI) *	p-value
−1.1 or below-- varus	490	46 (9.4)	0.6 (0.5,0.9)	0.6 (0.4,0.9)	0.0138
ref: −1 to 1	463	67 (14.5)	1.0	1.0
1.1 to 3 valgus	169	27 (16.0)	1.1 (0.7,1.7)	1.1 (0.7,1.7)	0.6286
3.1 or above --valgus	53	14 (26.4)	1.8 (1.1,3.0)	1.8 (1.1,3.0)	0.0198
OAI
HKA	N of knees	N (%) of lateral cartilage progression	Crude OR (95% CI)	Adjusted OR (95% CI) *	p-value
−1.1 or below-- varus	59	7 (11.9)	2.0 (0.4,9.1)	1.5 (0.3,6.6)	0.5842
ref: −1 to 1	34	2 (5.9)	1.0	1.0
1.1 to 3 valgus	20	2 (10.0)	1.7 (0.3,11.2)	1.5 (0.3,9.3)	0.6353
3.1 or above --valgus	11	3 (27.3)	4.6 (0.9,24.3)	5.9 (1.1,30.3)	0.0343

^*Adjusting age, sex, BMI, and Kellgren & Lawrence grade at baseline

^**Adjusting age, sex, BMI, and Kellgren & Lawrence grade at the visit when alignment was measured