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

Table 2

Demographic characteristics and test results by cognitive diagnosis.

	NC	CI	MCI	DEM	𝑃 value*
𝑛	131	176	112	64
Female gender	100 (76.3)	121 (68.8)	74 (66.1)	47 (73.4)	0.09
Age, years	66.9±10.4	75.8±8.1	73.6±8.1	79.6±6.5	≤0.001
Educational level
<Primary	48 (36.6)	108 (61.4)	63 (56.3)	45 (70.3)	≤0.001
≥Primary	83 (63.4)	68 (38.6)	49 (43.8)	19 (29.7)
Mini-Cog	2.9±1.3	1.2±1.5	1.7±1.7	0.4±0.8	≤0.001
MMS	24.6±3.0	18.7±5.1	21.2±4.0	14.2±3.8	≤0.001
CDT	6.1±1.3	3.3±2.4	4.4±2.0	1.4±1.9	≤0.001
MMS + CDT	30.7±3.7	22.0±7.0	25.6±5.2	15.8±5.1	≤0.001

Data represent number of individuals (%) or mean ± SD. MMS: Mini-Mental State; CDT: Clock Drawing Test; NC: normal cognition; CI: cognitive impairment (MCI or dementia); DEM: dementia; MCI: mild cognitive impairment.
*For the comparison between NC versus CI (MCI or dementia).