| Gender |
Male, n (%) |
359 (55·5) |
|
Female, n (%) |
288 (44·5) |
| Age at baseline, years |
Mean (SD) |
58·0 (18·1) |
|
Median (range) |
59·0 (18·0–106·0) |
| Age group |
< 65 years, n (%) |
406 (62·8) |
|
≧ 65 years, n (%) |
241 (37·2) |
| Weight, kg |
Mean (SD) |
97·5 (34·0) |
| (n = 629) |
Median (range) |
90·3 (40·9–289·7) |
| BMI, kg/m2
|
Mean (SD) |
33·6 (11·2) |
| (n = 605) |
Median (range) |
31·2 (15·3–91·6) |
| BMI group |
Underweight (< 18·5 kg/m2), n (%) |
10 (1·5) |
|
Normal (18·5–< 25 kg/m2), n (%) |
126 (19·5) |
|
Overweight (25·0–< 30 kg/m2), n (%) |
134 (20·7) |
|
Obese (≧ 30 kg/m2), n (%) |
335 (51·8) |
| Relevant medical condition |
Any surgical or medical history, n (%) |
499 (77·1) |
|
Diabetes mellitus, n (%) |
295 (45·6) |
|
Peripheral vascular disease, n (%) |
120 (18·5) |
