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Table 3 Unadjusted diagnostic characteristics of the CAAD screen components

From: Validity of a novel screen for cognitive impairment and neuropsychiatric symptoms in cardiac rehabilitation

Diagnostic characteristics unadjusted Cognition Anxiety Apathy Depression
AUC 0.77 0.79 0.79 0.84
Cut-off low risk 6–7 0 0–1 0
Sensitivity 95% 86% 94% 89%
Specificity 67% 42% 41% 39%
Cut-off high risk < 4 5–6 10–14 5–6
Sensitivity 49% 10% 13% 11%
Specificity 87% 99% 95% 100%
Low risk: n (%) 57 (45%) 65 (51%) 47 (38%) 68 (54%)
 SD ≤ 1.5 2 3 1 2
 SD > 1.5 55 62 46 66
 NPV 97% 95% 98% 97%
Moderate risk: n (%) 59 (47%) 59 (47%) 70 (56%) 55 (43%)
 SD ≤ 1.5 8 16 13 12
 SD > 1.5 51 43 57 43
 PPV N/A N/A N/A N/A
High risk: n (%) 11 (9%) 3 (2%) 8 (6%) 4 (3%)
 SD ≤ 1.5 5 2 2 4
 SD > 1.5 6 1 6 0
 PPV 46% 67% 25% 100%