From: Quantitative EEG as a biomarker in mild cognitive impairment with Lewy bodies
HC (N = 31) | MCI-AD (N = 36) | MCI-LB (N = 39) | Group differences | |
---|---|---|---|---|
Male to female | 22:9 | 15:21 | 35:4 | χ2 = 20.0, p < 0.001a p(HC,MCI-AD) = 0.02 p(HC,MCI-LB) = 0.045 p(MCI-AD,MCI-LB) < 0.001 |
Age | 73.7 (7.3) | 76.1 (7.7) | 74.7 (6.4) | F(2, 103) = 1.0, p = 0.38b |
AChEI | – | 7 (19%)e | 18 (46%)f | χ2 = 5.7, p = 0.02c |
PD meds | – | 0e | 4 (10%)f | χ2 = 3.8, p = 0.052c |
Years of education | 14.7 (4.0)g | 12.9 (3.4)h | 12.1 (2.8) | F(2, 100) = 5.1, p = 0.008c p(HC,MCI-AD) = 0.12 p(HC,MCI-LB) = 0.006 p(MCI-AD,MCI-LB) = 0.87 |
ACE-R | 92.7 (4.2) | 82.4 (8.5) | 83.8 (9.2) | t73 = 0.7, p = 0.50d |
MMSE | 28.5 (1.1) | 26.9 (2.1) | 26.6 (2.5) | t73 = 0.7, p = 0.51d |
UPDRS III | 5.5 (4.4) | 15.1 (13.8) | 23.3 (14.2) | t73 = 2.5, p = 0.01d |
DCFS | – | 6.9 (1.9)i | 8.5 (3.3)k | t61 = 2.4, p = 0.02d |
CAF total | – | 1.4 (2.7)i | 3.7 (4.2)k | t61 = 2.5, p = 0.02d |
NPI total | – | 8.6 (9.3)i | 16.4 (12.9)k | t61 = 2.7, p = 0.01d |
NEVHI | – | 0.8 (1.5)e | 2.7 (4.1) | t71 = 2.6, p = 0.01d |
GDS | 1.3 (1.8) | 3.5 (2.5) | 5.1 (4.1) | F(2, 103) = 13.4, p < 0.001b p(HC,MCI-AD) = 0.01 p(HC,MCI-LB) < 0.001 p(MCI-AD,MCI-LB) = 0.08 |