Table 4

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

Cognitive function testDSEILIP value for difference
Modified Mini-Mental Status Exam93.61 (0.51)92.55 (0.51)0.14
Trail Making Test, seconds*
 Part A32.83 (1.03)28.72 (1.03)0.0007
 Part B83.77 (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
 Immediate8.40 (0.16)8.21 (7.90)0.40
 Delayed8.17 (0.26)7.80 (0.27)0.30
Digit Symbol Coding Test, n correct43.96 (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.