Table 4.

Comparison of joint space width (mm) and K-L score (mean ± 95% CI) at baseline and 18 month follow-up by weight loss group, after adjusting for age, gender, walk speed, ADAPT intervention and baseline value

Variable	Weight Loss	Baseline	Adjusted 18 month	P-value Overall (High vs No)	Δ	% Δ
Lateral Joint Space Width (mm)	High	4.56 (3.82;5.30)	4.35 (3.89;4.81)	0.46 (0.50)	−0.137	−3.0
	Low	4.40 (3.75;5.04)	4.50 (4.08;4.92)		0.009	0.2
	No	4.38 (3.69;5.08)	4.16 (3.79;4.53)		−0.332	−7.6
Medial Joint Space Width (mm)	High	3.17 (2.64;3.69)	3.12 (2.88;3.36)	0.67 (0.41)	−0.120	−2.6
	Low	2.99 (2.21;3.76)	3.00 (2.76;3.25)		−0.240	−4.5
	No	3.47 (3.00;3.93)	2.99 (2.77;3.20)		−0.256	−13.2
KL Score	High	2.36 (1.92;2.79)	2.47 (2.30;2.63)	0.44 (0.37)	0.149	6.3
	Low	2.39 (1.98;2.79)	2.61 (2.45;2.77)		0.293	12.3
	No	2.26 (1.97;2.55)	2.56 (2.42;2.70)		0.244	10.8