Table 1.

Mean ± s.d. of NP tests Z-scores of RR-MS and PP-MS patients

Neuropsychological tests	RR-MS patients Z-score	PP-MS patients Z-score	P-value
RCFT-Copy	−2.3±4.4	−5.1±5.1	< 0.0001
RCFT-Immediate	−1.3±1.0	−2.0±1.1	0.5
RCFT-Delayed	−1.6±1.0	−2.1±1.2	0.3
VFT	0.7±1.5	0.3±1.8	0.5
CVLT	0.7±1.0	−0.6±0.9	0.002
DB	−0.06±1.2	−1.0±0.9	0.003
SDMT	−0.2±0.9	−1.2±1.5	0.1
PASAT-3 secs	−0.5±1.5	−1.1±1.4	0.6
D-KEFSI	0.2±0.9	0.06±1.1	0.2
D-KEFSIS	0.1±1.0	−0.1±1.4	0.2

BSI-D, Depression subscale of the Brief Symptom Inventory CVLT, California Verbal Learning Test-II; DB, Digits Backward portion of WAIS-III Digit Span subtest; D-KEFSI, D-KEFS Color-Word Interference Test: Inhibition; DKEFSIS, D-KEFS Color-Word Interference Test: Inhibition Switching; PASAT-3 secs, 3 sec trial of the Paced Auditory Serial Addition Test; RCFT-Copy, Rey Complex Figure Test-Copy; RCFT-Delayed, Rey Complex Figure Test-Delayed Recall; RCFT-Immediate, Rey Complex Figure Test-Immediate Recall; s.d., standard deviation; SDMT, Symbol Digit Modalities Test; VFT, D-KEFS Verbal Fluency Test.

Each NP score is adjusted for age, gender, education, disease duration, and BSI-D and corrected by Bonferroni test. Statistically significant comparisons are indicated in bold.