| AGE | ||
| Youngest | 50 years | |
| Oldest | 93 years | |
| Average Age | 70.7 years | ±7.6 |
| GENDER | ||
| Females | 251 | 78.5% |
| Males | 69 | 21.5% |
| Total | 320 | 100% |
| SIDE | ||
| Right | 193 | 54.5% |
| left | 161 | 45.5% |
| Total | 354 | 100% |
| BODY MASS INDEX (BMI) | ||
| Normal | 18 - 24.9 kg/m2 | 34 (9.6%) |
| Overweight | 25 - 29.9 kg/m2 | 136 (38.4%) |
| Obese | 30 - 34.9 kg/m2 | 134 (37.8%) |
| Severe Obese | >35 kg/m2 | 50 (14.2%) |
| Lower BMI | 18.2 kg/m2 | |
| Biggest BMI | 50.4 kg/m2 | |
| Average BMI | 30.5 kg/m2 | ±4.7 kg/m2 |
| KELLGREN-LAWRENCE CLASSIFICATION | ||
| Grade I - II | zero | |
| Grade III | 35 | (9.8%) |
| Grade IV | 319 | (90.2%) |
| Total | 354 | (100%) |
| DEFORMITY | ||
| Normal Axis | 3 | (0.8%) |
| Genu Varus | 256 | (72.4%) |
| Genu Valgus | 95 | (26.8%) |
| Total | 354 | (100%) |
| Mean Valgus Deviation | 15.6˚ | ±5.1˚ |
| Mean Varus Deviation | 10.1˚ | ±4.8˚ |
| CLASSIFICATION OF ARTICULAR PATELLAR SURFACE DAMAGE | ||
| Group I | 2 | (0.6%) |
| Group II | 23 | (6.5%) |
| Group III | 55 | (15.5%) |
| Group IV | 175 | (49.4%) |
| Group V | 99 | (28.0%) |
| Less Severe Cartilage Impairment Group I + II + III | 80 | (22.6%) |
| Greater Cartilage Impairment Group IV + V | 274 | (77.4%) |