Fig. 4

The odd ratios (OR) for the Logitistic regression (LR) models for the various trial-to-trial variability measures: (A) P200 non-target neural responses; (B) P200 target neural responses; (C) P300 non-target neural responses; (D) P3 target neural responses; Model 1 is unadjusted; Model 2 was adjusted for demographic characteristics and Model 3 was adjusted with MMSE score included; Significance levels are denoted as follows: *** for p < 0.001, ** for p < 0.01, * for p ≤ 0.05, and blank (no stars) for not significant; Actual p-values, Confidence Intervals (CI) and OR can be found in Table S3 of the supplementary material