| Variable | All Patients n = 251 | Obese Group n = 149 | Nonobese Group n = 102 | P Value |
|---|---|---|---|---|
| Sex | 0.2943 | |||
| Male | 96 (38%) | 53 (36%) | 43 (42%) | |
| Female | 155 (62%) | 96 (64%) | 59 (58%) | |
| Laterality | 0.7013 | |||
| Right knee | 117 (47%) | 71 (48%) | 46 (45%) | |
| Left knee | 134 (53%) | 78 (52%) | 56 (55%) | |
| Mean age, years (range) | 66.9 (40-88) | 63.9 (40-85) | 71.4 (52-88) | <0.001 |
| Mean body mass index, kg/m2 (range) | 32.7 (20.2-53.0) | 37.0 (30.1-53.0) | 26.5 (20.2-29.9) | |