| Subjects | M ± SD or n (%) | ||
| Before (n=62) | After 3 months (n=36) | After 6 months (n=25) | |
| Age | 82.7±7.9 | 84.5±5.9 | 84.0±6.4 |
| Gender | |||
| Male | 19 (30.6) | 12 (33.3) | 9 (36.0) |
| Female | 43 (69.4) | 24 (66.7) | 16 (64.0) |
| Care level | |||
| Level 1 | 17 (27.4) | 6 (16.7) | 6 (24.0) |
| Level 2 | 12 (19.4) | 8 (22.2) | 5 (20.0) |
| Level 3 | 18 (29.0) | 13 (36.1) | 9 (36.0) |
| Level 4 | 8 (12.9) | 5 (13.9) | 4 (16.0) |
| Level 5 | 7 (11.3) | 4 (11.1) | 1 (4.0) |