Table 2.

Neuropsychological parameters

Neuropsychological parameters	Mean±SD (range)
WCST (total errors)	50.30±26.48 (6-97)
WCST (perseverative errors)	34.17±26.13 (4-95)
Attention errors (DVT)	18.77±28.67 (0-146)
Category fluency	11.05±3.18 (4-18)
Verbal 1 back errors	1.28±1.64 (0-7)
Verbal 2 back errors	4.17±2.48 (0-9)
RAVLT immediate recall	8.27±3.06 (1-14)
RAVLRAVLT delayed recall	7.93±3.42 (2-15)
RAVLT recognition trial	13.38±2.06 (6-16)
RCFT copy	31.07±5.73 (15.5-36)
RCFT immediate recall	13.34±7.42 (1-30)
RCFT delayed recall	13.38±7.29 (1-29)
RCFT recognition trial	19.52±6.93 (14-70)

WCST – Wisconsin card sorting test; DVT – Digit vigilance test; RAVLT – Rey auditory verbal learning test; RCFT – Rey’s complex figure test; SD – Standard deviation