Table 2

 Tibial plateau area in normal subjects compared to those with osteoarthritis

Crude analysis*Adjusted results†
Normal (n = 81)Osteoarthritis (n = 68)p ValueNormal (n = 81)Osteoarthritis (n = 68)p Value
*Values are mean (SD).
†Values are mean (SE), adjusted for age, body mass index, pain, and physical activity level.
Medial tibial area (mm2)1670 (200)1850 (240)<0.0011660 (30)1860 (40)0.001
Lateral tibial area (mm2)1050 (130)1270 (220)<0.0011080 (30)1230 (30)0.003