Table 4.
Items | Pearson correlation analysis | Partial correlation analysis | ||
---|---|---|---|---|
r | P | r | P | |
MMSE | −0.237 | <0.001 | −0.526 | <0.001 |
NPI | 0.059 | 0.2 | 0.301 | <0.001 |
MoCA | −0.194 | <0.001 | −0.216 | <0.001 |
HAMD-21 | 0.028 | 0.494 | 0.046 | 0.316 |
ADL | 0.036 | 0.388 | 0.047 | 0.311 |
The partial correlation analysis is corrected for the impact of gender, age, education level, and disease history
MMSE mini-mental state examination, MoCA Montreal Cognitive Assessment, NPI Neuropsychiatric Inventory, ADL Activity of Daily Living Scale, HADM-21 Hamilton depression rating scale 21-item