TABLE 5.

Classification performance for all diagnostic groups using different subsets of cCOG

	DLB vs. controls	DLB vs. AD	AD vs. controls
cCOG full (cognitive tasks + clinical survey)
Accuracy [95% CI]	0.94 [0.86‐0.98]	0.87 [0.76‐0.95]	0.88 [0.78‐0.94]
Sensitivity	0.95 [0.85, 0.99]	0.85 [0.66‐0.96]	0.91 [0.79‐0.98]
Specificity	0.93 [0.76, 0.99]	0.89 [0.72‐0.98]	0.82 [0.63‐0.94]
cCOG cognitive tasks
Accuracy [95% CI]	0.92 [0.83‐0.97]	0.68 [0.54‐0.80]	0.83 [0.73‐0.92]
Sensitivity	0.98 [0.87‐1.00]	0.59 [0.39‐0.78]	0.87 [0.74‐0.95]
Specificity	0.83 [0.63, 0.95]	0.77 [0.56‐0.91]	0.76 [0.53‐0.92]
cCOG clinical survey
Accuracy [95% CI]	0.82 [0.70‐0.90]	0.87 [0.74‐0.95]	0.61 [0.49‐0.73]
Sensitivity	0.81 [0.64‐0.93]	0.81 [0.58‐0.95]	0.62 [0.46‐0.76]
Specificity	0.82 [0.63‐0.94]	0.92 [0.74‐0.99]	0.61 [0.41‐0.78]
MMSE for comparison
Accuracy [95% CI]	0.83 [0.69‐0.78]	0.66 [0.52‐0.78]	0.61 [0.49‐0.74]
Sensitivity	0.85 [0.65‐0.96]	0.69 [0.49‐0.85]	0.62 [0.46‐0.76]
Specificity	0.80 [0.56‐0.94]	0.62 [0.41‐0.81]	0.62 [0.38‐0.82]

Abbreviations: AD, Alzheimer's disease; DLB, dementia with Lewy bodies; MMSE, Mini‐Mental State Examination.