Table 3

Cognitive functioning of the 17 HIV-infected patients at three follow-up examinations

Year of examination
Follow-up time/years
1986–1990
0
1997
7–11
2013
23–27
Manova/Anova*Effect size
Mean (SD)†Mean (SD)Mean (SD)Fp Valueη2
Cognitive function
Memory1.9200.1720.390
 WMS logical memory11.9 (2.1)13.8 (2.5)10.0 (2.6)
 List learning57.9 (6.2)61.9 (5.4)57.3 (7.4)
Reasoning0.8950.4960.230
 WAIS similarities21.9 (1.7)21.3 (1.8)20.9 (2.0)
 WAIS block design40.9 (6.5)41.5 (5.3)37.9 (6.1)
Executive function0.3300.9530.099
 Trail-making B85.3 (21.5)99.4 (29.8)105.9 (27.2)
 Stroop interference test (time)104.2 (24.8)99.2 (22.6)115.5 (34.8)
Speed of performance1.2210.3530.289
 WAIS digit symbol59.3 (11.0)55.4 (16.8)48.9 (12.7)
 Stroop naming (time)55.4 (11.6)57.0 (11.4)67.4 (15.7)
  • *Age is used as a covariate.

  • †Raw scores.

  • WAIS, Wechsler Adult Intelligence Scale.