Table 2.

AUCs for global cognitive scores on the NINDS-CSN battery in NCI, CIND-mild and CIND-moderate groups

Diagnostic categories	5-min global performance (95% CI)	30-min global performance (95% CI)	60-min global performance (95% CI)
Whole sample (n = 405)
Nondementia vs. dementia	0.95 (0.93–0.97)	0.96 (0.94–0.97)	0.94 (0.92–0.96)
CIND vs. dementia	0.92 (0.89–0.95)	0.93 (0.90–0.96)	0.91 (0.87–0.94)
NCI vs. CIND	0.80 (0.74–0.85)	0.85 (0.80–0.90)	0.84 (0.79–0.89)
NCI vs. CIND-mild	0.73 (0.66–0.80)	0.79 (0.73–0.85)	0.77 (0.71–0.84)
CIND-mild vs. CIND-moderate	0.79 (0.72–0.87)	0.81 (0.74–0.88)	0.86 (0.80–0.92)
None or primary level of education (n = 213)
Nondementia vs. dementia	0.93 (0.90–0.97)	0.94 (0.91–0.97)	0.93 (0.89–0.96)
CIND vs. dementia	0.91 (0.86–0.95)	0.92 (0.87–0.96)	0.90 (0.85–0.94)
NCI vs. CIND	0.87 (0.81–0.94)	0.90 (0.83–0.96)	0.90 (0.84–0.95)
NCI vs. CIND-mild	0.81 (0.71–0.91)	0.84 (0.75–0.94)	0.81 (0.70–0.91)
CIND-mild vs. CIND-moderate	0.77 (0.66–0.88)	0.80 (0.70–0.90)	0.86 (0.78–0.94)
Secondary and above level of education (n = 192)
Nondementia vs. dementia	0.96 (0.93–1.00)	0.97 (0.94–1.00)	0.95 (0.92–0.99)
CIND vs. dementia	0.94 (0.90–0.99)	0.95 (0.90–0.99)	0.92 (0.87–0.97)
NCI vs. CIND	0.73 (0.65–0.81)	0.85 (0.79–0.91)	0.87 (0.81–0.92)
NCI vs. CIND-mild	0.68 (0.59–0.77)	0.82 (0.74–0.89)	0.83 (0.76–0.90)
CIND-mild vs. CIND-moderate	0.78 (0.65–0.90)	0.80 (0.69–0.91)	0.86 (0.79–0.95)