Table 1 Baseline characteristics of all participants
Baseline data | Control group (n = 34) | Observation group (n = 38) | P |
|---|---|---|---|
Age (years) | 65.3 ± 5.9 | 68.6 ± 6.7 | > 0.05 |
 Male/Female | 19/15 | 21/17 | > 0.05 |
Years of education (years) | 10.1 ± 2.6 | 9.6 ± 2.8 | > 0.05 |