Variable | Normal aging | NCDs group | P-value* |
---|---|---|---|
 Sex – no. (%) | |||
  Male | 3 (14.3) | 2 (7.0) | 0.638 |
  Female | 18 (85.7) | 27 (93.0) | |
 Age—year | 72.62 ± 3.64 | 80.31 ± 8.11 | 0.0002 |
 Education level – no. (%) | |||
  Primary schools and below | 19 (90.5) | 27 (93.0) |  > 0.999 |
  Middle school and above | 2 (9.5) | 2 (7.0) | |
  Neurocognitive scores | 23.71 ± 3.64 | 12.66 ± 4.28 |  < 0.0001 |