Table 1 Demographics for the expanded NYUSOM/BRL dataset.
From: Derivation of an intrinsic brain activity biomarker for the earliest prediction of cognitive decline
Total (n = 88) | Class 0: no-change (n = 45) | Class 1: decline/convert (n = 43) | T-test (0 vs. 1) p value | |
|---|---|---|---|---|
Age | ||||
Mean (SD) | 70.08 (6.07) | 67.41 (5.86) | 72.87 (4.96) | < 0.0001 |
Median | 70.30 | 66.78 | 72.66 | |
Range | 52.09, 85.15 | 52.09, 81.56 | 61.89, 85.15 | |
Gender | ||||
Male n (%) | 42 (47.73) | 21 (46.67) | 21 (48.84) | NS |
Female n (%) | 46 (52.27) | 24 (53.33) | 22 (51.16) | |
Race | ||||
White n (%) | 84 (95.45) | 42 (93.33) | 42 (97.67) | NS |
African American n (%) | 4 (4.55) | 3 (3.41) | 1 (2.33) | |
Education (in years) | ||||
Mean (SD) | 15.71 (2.68) | 16.33 (2.30) | 15.09 (2.91) | 0.032 |
Median | 16.00 | 18.00 | 16.00 | |
Range | 6.00, 18.00 | 12.00, 18.00 | 6.00, 18.00 | |
Years to maximum follow up | ||||
Mean (SD) | 7.13 (1.9) | 7.77 (1.38) | 6.46 (2.14) | – |
Median | 7.45 | 7.86 | 6.58 | |
Range | 1.94, 11.08 | 5.11, 11.01 | 1.94, 11.08 | |
MMSE | ||||
Mean (SD) | 28.82 (1.39) | 29.02 (1.17) | 28.58 (1.62) | NS |
Median | 29.00 | 29.00 | 29.00 | |
Range | 24.00, 30.00 | 26.00, 30.00 | 24.00, 30.00 | |
