Table 1 Minimum joint space width, mm (mean (SD)) and BMI (mean (SD)), at baseline in relation to KLG

KLG	n	BMI	Lyon Schuss	Fixed flexion
0	95	25.0 (5.0)	3.96 (0.57)	4.09 (0.61)
1	4	26.4 (10.1)	4.19 (0.54)	4.88 (1.35)
2	31	35.6 (4.7)	4.41 (0.76)	4.46 (0.73)
3	31	38.1 (5.5)	3.12 (0.81)	3.17 (0.86)

BMI, body mass index; KLG, Kellgren and Lawrence grade.