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Table 4 Correlation coefficients and significance of SDMT and PASAT3 when controlling for age, fatigue, depression

From: A one-year follow-up study of the Symbol Digit Modalities Test (SDMT) and the Paced Auditory Serial Addition Test (PASAT) in relapsing-remitting multiple sclerosis: an appraisal of comparative longitudinal sensitivity

  SDMT ( r ) SDMT ( p ) PASAT3 ( r ) PASAT3 ( p )
SRT-Storage 0.409 <0.001* 0.306 <0.001*
SRT-Retrieval 0.472 <0.001* 0.370 <0.001*
SRT-Delayed 0.451 <0.001* 0.219 <0.001*
10/36 0.377 <0.001* 0.430 <0.001*
10/36 delayed 0.332 <0.001* 0.380 <0.001*
Semantic verbal fluency 0.375 <0.001* 0.303 <0.001*
Phonetic verbal fluency 0.401 <0.001* 0.436 <0.001*
STROOP word 0.386 <0.001* 0.304 <0.001*
STROOP color 0.552 <0.001* 0.537 <0.001*
STROOP word-color 0.512 <0.001* 0.465 <0.001*
STROOP interference 0.228 <0.001* 0.231 0.001*
WCST perseverative errors −0.229 0.001* −0.286 <0.001*
WCST no perseverative errors −0.208 0.002* −0.281 <0.001*
WCST categories 0.220 0.001* 0.261 0.001*
Line orientation Test 0.331 <0.001* 0.238 0.001*
WAIS matrix subtest 0.417 <0.001* 0.435 <0.001*
RIVERMEAD 0.435 <0.001* 0.419 <0.001*
  1. *p < 0.05 was considered statistically significant.