Normal subjects N (%) | Subjects with depression N (%) | Subjects with MCI due to depression N (%) | Subjects with MCI without depression N (%) | Subjects with dementia N (%) | p | ||
Number of subjects = 678 | 384 (56.6) | 40 (5.9) | 60 (8.8) | 178 (26.3) | 16 (2.4) | ||
Age (mean ± sd) | 72.5 ± 5.4 | 74.5 ± 6.1 | 74.3 ± 6.1 | 74.3 ± 5.7 | 75.8 ± 5.9 | 0.001 | |
Male | 73.4 ± 5.4 | 79.0 ± 7.3 | 74.5 ± 6.6 | 74.2 ± 5.6 | 73.7 ± 8.5 | 0.055 | |
Female | 71.7 ± 5.4 | 73.3 ± 5.2 | 74.3 ± 5.9 | 74.4 ± 5.7 | 76.3 ± 5.4 | <0.001 | |
Sex N (%) | <0.001 | ||||||
Male | 187 (63.6) | 9 (3.1) | 15 (5.1) | 80 (27.2) | 3 (1.0) | ||
Female | 197 (51.3) | 31 (8.1) | 45 (11.7) | 98 (25.5) | 13 (3.4) | ||
Years of education N (%) | 0.018 | ||||||
0-4 | 104 (48.1) | 18 (8.3) | 26 (12.0) | 62 (28.7) | 6 (2.8) | ||
5-8 | 264 (59.7) | 22 (5.0) | 31 (7.0) | 115 (26.0) | 10 (2.3) | ||
9-12 | 16 (84.2) | 0 (0.0) | 2 (10.5) | 1 (5.3) | 0 (0.0) |