Table 2.

Mean ± SD changes in cartilage thickness (μm) for all knees, and for subgroups of knees based on FTA and BMI categories, with negative values representing cartilage thickness loss^*

		Varus/Valgus		Varus		Valgus
	Neutral	Minor	Definite	Minor	Definite	Minor	Definite
cMFTC
Normal	−42 ± 123	−43 ± 141	−32 ± 89	−62 ± 176	−48 ± 96	1.6 ± 50	12 ± 63
Overweight	−53 ± 103	−111 ± 170	−120 ± 190	−129 ± 173	−150 ± 197	−12 ± 134	−4 ± 94
Obese	−62 ± 158	−117 ± 202	−133 ± 192	−168 ± 216	−170 ± 200	−9 ± 106	−28 ± 122
cLFTC
Normal	−43 ± 93	−75 ± 135	−66 ± 135	−43 ± 116	−24 ± 104	−116 ± 152	−183 ± 153
Overweight	−64 ± 143	−39 ± 101	−61 ± 131	−33 ± 94	−27 ± 78	−68 ± 133	−193 ± 199
Obese	−38 ± 127	−72 ± 166	−59 ± 143	−26 ± 91	−13 ± 94	−175 ± 237	−195 ± 175

^*BMI categories defined as normal <25 kg/m², overweight 25–30 kg/m², and obese >30 kg/m². FTA = femorotibial angle; BMI = body mass index; cMFTC = central weight-bearing medial femorotibial compartment; cLFTC = central weight-bearing lateral femorotibial compartment.