Table 4.

Mean cognitive function test scores by intervention assignment, with adjustment for age and clinical site

Cognitive function test	DSE	ILI	P value for difference
Modified Mini-Mental Status Exam	93.61 (0.51)	92.55 (0.51)	0.14
Trail Making Test, seconds*
Part A	32.83 (1.03)	28.72 (1.03)	0.0007
Part B	83.77 (1.04)	82.61 (1.04)	0.82
Difference (part B – part A)	46.83 (1.06)	50.12 (1.06)	0.43
Rey Auditory Verbal Learning Test, n correct
Immediate	8.40 (0.16)	8.21 (7.90)	0.40
Delayed	8.17 (0.26)	7.80 (0.27)	0.30
Digit Symbol Coding Test, n correct	43.96 (0.82)	45.06 (0.83)	0.35
Modified Stroop Color and Word Test, seconds*	26.26 (1.04)	27.07 (1.04)	0.59

Data are mean (SE) unless otherwise indicated.

*Higher scores reflect poorer performance.