Utility of the Mini-Cog for Detection of Cognitive Impairment in Primary Care: Data from Two Spanish Studies

Table 4

Utility of the screening tests for the detection of CI (MCI or dementia) using the best cut points.

Test	Cutoff	Sn	Sp	DA	𝜅
Mini-Cog	1/2	0.60 (0.53–0.67)	0.90 (0.84–0.95)	0.73	0.48±0.05
MMS	22/23	0.76 (0.68–0.82)	0.76 (0.68–0.83)	0.76	0.51±0.05
CDT	5/6	0.76 (0.68–0.82)	0.78 (0.70–0.85)	0.76	0.53±0.05
MMS + CDT	25/26	0.65 (0.58–0.72)	0.93 (0.87–0.97)	0.77	0.56±0.05

aROC: area under curve ROC; Sn: sensibility; Sp: specificity; DA: diagnostic accuracy (proportion of correct diagnoses); 𝜅: kappa index; MMS: Mini-Mental State; CDT: Clock Drawing Test.