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NPI and Zarit scores by diagnostic group.
| Controls Mean (SD) | CIND Mean (SD) | AD Mean (SD) | |
|---|---|---|---|
| NPI score | 0.87 (2.94) | 3.08* (4.69) | 12.28**,# (13.29) |
| Zarit score | 2.32 (3.96) | 3.92 (6.05) | 20.11**,# (17.38) |
SD: Standard Deviation;
Mann-Whitney test-controls versus CIND: U=693.500, p=0.002;
Mann-Whitney test – controls versus AD: NPI (U=690.000; p<0.001) and Zarit (U=405.500; p<0.001);
Mann-Whitney – CIND versus AD: NPI (U=378.500; p<0.001) and Zarit (U=198.000; p<0.001)
