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Table 1 Means and standard deviations of evaluations

From: Premorbid intellectual ability in schizophrenia influence family appraisal related to cognitive impairments: a cross-sectional study on cognitive impairment and family assessments

 

Means (SD)

Min

Max

Demographics

 Age (years)

37.3 (11.2)

20

62

 Education (years)

14.3 (1.8)

12

20

 JART

104.2 (8.8)

82

123

 Age of onset (years old)

23.7 (6.9)

15

45

 Illness duration (years)

13.6 (11.2)

1

43

 Antipsychotic dose (risperidone equivalent) was

5.5 (3.4)

0

15.5

Clinical symptoms

 SAPS

20.6 (17.8)

0

74

 SANS

34.7 (16.8)

8

75

Neurocognitive tests

 TMT-A time

37.3 (12.1)

20

68.9

 TMT-B time

80.1 (31.1)

36

170

 WSCT completed categories

5.6 (1.5)

0

6

 WCST number of errors

20.4 (20.7)

5

96

 RBMT immediate recall

11.9 (5.3)

2

22

 JVLT recall total

28.9 (7.1)

17

43

 VFT total score

57.6 (11.5)

30

81

  1. JART Japanese Adult Reading Test, SAPS Scale for the Assessment of Positive Symptoms, SANS Scale for the Assessment of Negative Symptoms, TMT-A Trail Making Test—Part A, TMT-B Trail Making Test—Part B, WCST Wisconsin Card Sorting Test, RBMT Rivermead Behavioral Memory Test, JVLT Japanese Verbal Learning Test, VFT Verbal Fluency Task