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Table 5 Learning bias (practice effect) for ICA and SDMT

From: A self-administered, artificial intelligence (AI) platform for cognitive assessment in multiple sclerosis (MS)

Group

Test Name

Test 1

[mean ± SD]

Test 2

[mean ± SD]

Paired t-test

difference

Cohen’s d

p-value

MS (n = 21)

ICA

64.76 ± 12.7

64.66 ± 12.2

− 0.09

− 0.02

0.91

SDMT

43.6 ± 10

44.2 ± 11

0.66

0.25

0.25

HC (n = 22)

ICA

77.04 ± 11

76.86 ± 11

−0.18

− 0.07

0.73

SDMT

55.13 ± 12

56.36 ± 12.3

1.22

0.50

0.02*

  1. Mean and standard deviations (SD) of SDMT and ICA scores are compared between the two administrations of the tests for each group of participants. Only SDMT in healthy subjects showed a significant learning bias