TABLE 3.

Commonality analysis predicting conversion from mild cognitive impairment to Alzheimer's disease.

AD biomarkers versus digital biomarkers: mild cognitive impairment to Alzheimer's disease
Measure	Coefficient	Percentage variance explained (%)
Cortical Aβ	0.01313	9.04
EC tau	0.02456	16.90
Digital cognitive battery	0.01164	8.01
Cortical amyloid and EC tau	0.07165	49.31
Cortical Aβ and digital cognitive battery	0.00157	1.08
EC tau and digital cognitive battery	0.00506	3.48
Cortical Aβ and EC tau and digital cognitive battery	0.01770	12.18

Digital Cognitive tasks: mild cognitive impairment to Alzheimer's disease
Measure	Coefficient	Percentage variance explained (%)
OCL	0.01662	39.30
OBT	0.00279	6.59
Identification	0.00259	6.12
Detection	0.00067	1.59
OCL and OBT	0.00220	5.20
OCL and Identification	−0.00091	−2.15
OBT and Identification	0.00371	8.77
OCL and Detection	−0.00001	‐0.03
OBT and Detection	0.00050	1.19
Identification and Detection	0.00361	8.55
OCL and OBT and Identification	0.00036	0.86
OCL and OBT and Detection	0.00019	0.46
OCL and Identification and Detection	−0.00083	−1.97
OBT and Identification and Detection	0.01011	23.91
OCL and OBT and Identification and Detection	0.00068	1.61

Abbreviations: Aβ, amyloid beta; OBT, one‐back task; OCL, One Card Learning