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Table 1 Demographic characteristics

From: Enhanced diagnostic accuracy for neurocognitive disorders: a revised cut-off approach for the Montreal Cognitive Assessment

Group NC NF Mild+Major NCD Mild NCD
n 283 49 447 159
Prevalence in MC sample % 9.9 90.1 32.1
Age mean (SD) 73.8 (5.2) 73.1 (5.6) 78.3 (5.9)* 76.0 (6.0)*
Age range 65–91 65–88 65–91 65–91
Education mean (SD) 13.6 (2.9) 13.8 (2.7) 12.2 (3.0)* 12.4 (3.1)*
Education 7–20 8–20 7–20 7–20
Female % 54.8 40.8 55.7 53.5
MMSE score 29.2 (0.9) 29.0 (1.0) 25.1 (3.5)* 27.2 (2.2)*
MoCA score 26.5 (2.4) 26.5 (2.2) 19.1 (4.5)* 22.0 (3.6)*
MoCA score range 16–30 22–30 2–30 12–30
MoCAz-score 0.0 (1.0) 0.1 (1.0) − 2.1 (1.0)* − 1.5 (1.0)*
MoCAz-score range − 3.0–2.4 − 1.7–1.9 − 4.3–1.5 − 3.7–1.5
  1. Data are presented as mean (SD). There were no differences between NC and NF. Mild NCD is a subgroup of Mild+Major NCD. NF is compared to Mild+Major NCD and Mild NCD: *P < .001
  2. Abbreviations: NC normal controls, NCD neurocognitive disorder, NF normal findings, MMSE Mini Mental State Examination, MoCA Montreal Cognitive Assessment; MoCA z-score demographically corrected standard score [7]