Table 1.
Selected subject characteristics
| Characteristic | N = 353 | No. of subjects | Range, median or percentage |
|---|---|---|---|
| Age (years) | |||
| Range | 15–85 | ||
| Median | 59.0 | ||
| Height at diagnosis (cm) | |||
| Range | 135.0–173.0 | ||
| Median | 153.0 | ||
| Weight at diagnosis (kg) | |||
| Range | 31.0–105.0 | ||
| Median | 53.0 | ||
| Median body mass index at diagnosis (kg/m2) | 22.8 | ||
| Comorbidity | |||
| Cerebral stroke | 1 | 0.3 | |
| Hypertension | 91 | 26 | |
| Heart disease | 12 | 3 | |
| Liver disease | 10 | 3 | |
| Tuberculosis | 3 | 1 | |
| Diabetes mellitus | 18 | 5 | |
| Cholelithiasis | 6 | 2 | |
| Gastrointestinal disease | 26 | 7 | |
| Depression | 8 | 2 | |
| Asthma, chronic bronchitis, pulmonary emphysema | 9 | 3 | |
| History of treatment for hip injury (≧ 2 weeks) | 11 | 3 | |
| Education (years) | |||
| ≤ 9 | 63 | 18 | |
| 10–12 | 189 | 54 | |
| ≥ 13 | 101 | 29 | |
| Sports participation such as club activities in school | 161 | 46 | |
| Physical workers (occupation) | (N = 348) | 38 | 11 |
| Parity | |||
| Nulliparous | 58 | 16 | |
| Parous | 295 | 84 | |
| Smoking | (N = 352) | ||
| Never | 288 | 82 | |
| Past | 31 | 9 | |
| Current | 33 | 9 | |
| Consumption of alcohol | (N = 351) | ||
| Never | 236 | 67 | |
| Past | 12 | 3 | |
| Current | 103 | 29 | |
| Site of hip osteoarthritis (OA) | |||
| Unilateral | 192 | 54 | |
| Bilateral | 161 | 46 | |
| OA stage | |||
| Pre‐OA stage | 40 | 11 | |
| Initial stage | 50 | 14 | |
| Advanced stage | 98 | 28 | |
| Terminal stage | 165 | 47 | |