Table 3.

Validation of the MoCA to MMSE conversion

MMSE-equivalent MMSE	Conversion by van Steenoven et al. [5]	Conversion by Lawton et al. [6]
Total
Mean (SD)	0 (0.4)	0.4 (0.1)
Median (IQR)	0 (-1, 1)	0 (-1, 1)
RMSE	1.89	1.90
Education ≤ 6 years
Mean (SD)	-0.1 (0.2)	0.3 (0.2)
Median (IQR)	0 (-2, 1)	0 (-1, 1)
RMSE	2.15	2.02
6 years < education ≤ 12 years
Mean (SD)	0.3 (0.1)	0.7 (0.1)
Median (IQR)	0 (-1, 1)	1 (0, 2)
RMSE	1.66	1.81
12 years < education
Mean (SD)	-0.2 (0.2)	0.2 (0.2)
Median (IQR)	0 (-1, 1)	0 (-1, 1)
RMSE	1.88	1.89

MoCA: Montreal Cognitive Assessment, MMSE: Mini-Mental State Examination, SD: standard deviation, IQR: interquartile range, RMSE: root mean squared error.