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Table 5 Normative cognitive performance of 258 HIV-negative regular blood donors

From: Development of a neurocognitive test battery for HIV-associated neurocognitive disorder (HAND) screening: suggested solutions for resource-limited clinical settings

  Male Female
21–40 years old (N = 60) 41–66 years old (N = 45) 21–40 years old (N = 66) 41–66 years old (N = 87)
ROCF immediate 29.9 (2.5) 30.3 (2.2) 29.9 (1.8) 30.3 (2.7)
ROCF delayed 17.8 (4.9) 17.9 (6.6) 17.7 (4.9) 15.7 (6.1)
SR immediate 9.8 (2.5) 9.6 (2.6) 11.0 (2.2) 9.7 (2.2)
SR delayed 9.7 (2.3) 9.0 (2.6) 10.3 (2.3) 9.0 (2.2)
TMT (average time taken/s) 41.1 (11.6) 49.2 (10.3) 40.5 (10.7) 46.8 (12.9)
CF 20.0 (4.3) 18.1 (4.8) 19.4 (4.7) 19.1 (4.9)
DS forward 9.8 (1.8) 9.5 (1.8) 9.8 (1.8) 9.5 (2.0)
DS backward 7.3 (2.6) 6.8 (1.9) 7.0 (2.3) 7.3 (2.4)
CDT 4.5 (0.6) 4.4 (0.7) 4.6 (0.6) 4.6 (0.6)
GPT dominant hand (time taken/s) 64.5 (11.1) 68.3 (11.3) 61.3 (7.5) 67.3 (10.7)
GPT non-dominant hand (time taken/s) 70.8 (10.9) 74.8 (12.3) 68.5 (8.9) 73.9 (11.6)
SDMT 59.4 (9.9) 53.0 (8.0) 60.6 (9.3) 55.4 (10.8)
Stroop word 99.2 (15.7) 98.4 (17.0) 98.4 (14.4) 95.9 (14.9)
Stroop name 71.1 (11.8) 70.1 (10.9) 71.9 (11.1) 68.5 (11.3)
Stroop test (word-name) 42.7 (8.8) 36.7 (9.5) 42.8 (7.7) 38.9 (9.5)
MoCA > 25.0 > 25.0 > 25.0 > 25.0
MMSE > 24.0 > 24.0 > 24.0 > 24.0
IHDS > 10.0 > 10.0 > 10.0 > 10.0
  1. ROCF, Rey Osterrieth Complex Figure; SR, Story Recall; TMT, Trail Making Test; CF, Category Fluency; DS, Digit Span; CDT, Clock Drawing Task; GPT, Grooved Pegboard Test; SDMT, Symbol Digit Modalities Test; Stroop Word, Stroop Color-Word (Inhibition); Stroop Name, Stroop Color Naming