We included geriatric patients who were over 65 years and who had moderate or severe OA (Kellgren-Lawrence grade III or IV [8 (link)]) in this study. We excluded patients with rheumatoid arthritis, osteonecrosis, post-traumatic OA, a history of a psychiatric disorder, and those who did not consent to inclusion in this study. We evaluated patient characteristics including age, sex, body mass index, smoking status, hypertension, diabetes, and cancer (Table 1 ). We included 73 patients in the final sample. Of these, 83.6% (n = 61) were female, and the average age was 73.6 years (range, 65–85).
Demographic for entire study population (N = 73)
| Variables | N (%) |
|---|---|
| Sex | |
| Female: male | 61 (83.6): 12 (16.4) |
| Body mass index | |
| Normal | 11 (15.1) |
| Overweight | 15 (20.5) |
| Obesity | 47 (64.4) |
| Smoking status | |
| Nonsmoker | 61 (83.6) |
| Former smoker | 8 (11.0) |
| Current smoker | 4 (5.4) |
| Hypertension | |
| +: - | 44 (60.3): 29 (39.7) |
| Diabetes | |
| +: - | 21 (28.8): 52 (71.2) |
| Cancer | |
| +: - | 15 (20.5): 58 (79.5) |
| KL grade | |
| III: IV | 48 (65.8): 25 (34.2) |
| Mean (range) | |
| Age (years, range) | 73.6 (65–85) |
| Mean range of motion (°, range) | |
| Extension | −6.7 (−11.3–0) |
| Flexion | 122 (86.3–138.4) |
| Mean varus deformity (°, range) | 7.8 (1.4–14.3) |
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