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Table 1 Cognitive function at baseline and after 3 months

From: The effect of n-back training during hemodialysis on cognitive function in hemodialysis patients: a non-blind clinical trial

Measure of cognitive function Baseline 3 months Mean change P value r
MMSE score 28.3 ± 1.4 29.8 ± 0.8 1.5 0.01 − 0.78
MoCA-J score 25.8 ± 2.1 28.0 ± 1.6 2.2 0.01 − 0.82
BVRT score 5.9 ± 1.6 7.2 ± 1.5 1.3 0.02 − 0.67
TMT-A time (s) 92.1 ± 51.2 93.1 ± 47.3 1.0 0.70  
TMT-B time (s) 147.4 ± 72.9 118.3 ± 58.1 − 29.1 0.01 − 0.80
VCT-1 % correct 97.0 ± 6.2 99.5 ± 1.2 2.5 0.12  
VCT-2 % correct 97.1 ± 4.1 98.6 ± 1.0 1.5 0.40  
VCT-3 % correct 98.4 ± 1.8 97.9 ± 2.7 − 0.5 0.61  
VCT-4 % correct 95.5 ± 4.8 95.8 ± 4.0 0.3 0.96  
SDMT % correct 37.0 ± 9.2 40.6 ± 11.9 3.6 0.10  
PASAT 2 seconds % correct 35.2 ± 13.4 57.1 ± 14.1 21.9 0.01 − 0.88
PASAT 1 second % correct 19.8 ± 9.3 33.3 ± 6.9 13.5 0.01 − 0.82
  1. MMSE Mini-Mental State Examination, MoCA-J the Japanese version of the Montreal Cognitive Assessment, BVRT Benton Visual Retention Test, TMT Trail Making Test A and B,VCT visual cancelation task, SDMT Symbol Digit Modality Test, PASAT Paced Auditory Serial Addition Task 2 s and 1 s