Table I.
Demographic and clinical characteristics of patients.
| Variable | OA (n = 9) | ONFH (n = 9) | p-value |
|---|---|---|---|
| Mean age, yrs (SD) | 60 (6) | 56 (8) | 0.309* |
| Mean weight, kg (SD) | 75 (10) | 79 (10) | 0.335* |
| Mean BMI, kg/m2 (SD) | 28 (4) | 28 (3) | 0.923* |
| Male sex, n (%) | 3 (33) | 4 (44) | 0.629† |
| Smoking, n (%) | 2 (22) | 6 (67) | 0.058† |
| Hypertension, n (%) | 6 (67) | 2 (22) | 0.058† |
| Dyslipidaemia, n (%) | 4 (44) | 5 (56) | 0.634† |
| Obesity, n (%) | 4 (44) | 4 (44) | 1.000† |
| Diabetes, n (%) | 1 (11) | 1 (11) | 1.000† |
| Cancer, n (%) | 0 (0) | 2 (22) | 0.134† |
| Hypothyroidism, n (%) | 1 (11) | 2 (22) | 0.527† |
*
Mann–Whitney U test.
†
Chi-squared test.
OA, osteoarthritis; ONFH, osteonecrosis of the femoral head; SD, standard deviation.