Table 3.

Results of NeuroTrax tests normalized for age and education and correlation coefficients (significance) with objective sleep parameters.

	NeuroTrax test	Sleep efficiency	WASO
Global	95.7 (10.8)	0.359 (p = 0.043)	−0.258 (p = 0.154)
Memory	96.6 (18.1)	0.108 (p = 0.556)	−0.109 (p = 0.554)
Executive function	96.2 (11.3)	0.405 (p = 0.021)	−0.298 (p = 0.097)
Verbal function	95.4 (20.4)	0.334 (p = 0.061)	−0.363 (p = 0.041)
Attention	95.7 (12.2)	0.308 (p = 0.086)	−0.191 (p = 0.296)
Info. processing	94.3 (13.1)	0.384 (p = 0.030)	−0.333 (p = 0.063)
Motor function	98.5 (12.2)	0.066 (p = 0.720)	−0.003 (p = 0.986)

WASO: wake after sleep onset.

Normalized data is expressed as mean (standard deviation). Statistically significant associations are shown in bold type.