Table 3.

Mean raw scores for significantly associated neurocognitive variables categorised by group

Mean raw score	HIV− no trauma (n = 31)	HIV+ no trauma (n = 30)	HIV+ with trauma (n = 32)	HIV− with trauma (n = 31)
Trail Making A*	54.61	53.56	69.12	51.58
Grooved Pegboard (non-dominant hand)*	75.58	76.66	97.12	77.51
WAIS-III Digit Symbol	53.19	49.83	36.62	51.54
HVLT learning	24.29	22.83	21.62	23.22
Category Fluency (animals)	12.64	12.16	10.65	12.67
COWAT	23.90	21.63	22.00	22.77
WMS-III Spatial Span	11.90	11.56	10.00	11.35
Color Trails 2*	116.25	117.90	135.12	112.16
Stroop (Color-Word)	34.00	30.16	23.71	30.96
PASAT	23.38	20.76	17.59	24.93

Asterisk denotes that higher scores indicate poorer performance.

HIV + = HIV positive; HIV − = HIV negative; HVLT = Hopkins Verbal Learning Test; WAIS-III = Wechsler Adult Intelligence Scale; WMS-III = Wechsler Memory Scale; COWAT = Controlled Oral Word Association Task (with letters FAS for English, LBS for Afrikaans and IBS for Xhosa); Stroop = Stroop Color and Word Test; PASAT = Paced Auditory Serial Addition Test