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Clinical features of healthy volunteers
| Item | Young group (18-30-year-old) | Middle group (31-60-year-old) | Old group (61-80-year-old) |
|---|---|---|---|
| n | 75 | 70 | 55 |
| Sex (male/female) (n) | 39/36 | 32/38 | 23/22 |
| Height (cm)+ | 167.0±8.6 | 168.4±6.0 | 162.7±7.4 |
| Weight (kg)+ | 58.1±8.7 | 62.2±7.5 | 57.2±7.1 |
| Left/right (n) | 10/65 | 8/62 | 5/50 |
+Data are expressed as the mean±SD. SD: Standard deviation
