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Table 2 Comparison among groups (MANCOVA analysis, adjusted for possible confounding variables (age, sex, years of education, duration of the illness, diagnosis, BPRS Total and subfactors)

From: Building a neurocognitive profile of suicidal risk in severe mental disorders

Cognitive domain

Cognitive task

HC

Mean

(SD)

PC

Mean

(SD)

SI

Mean

(SD)

SA

Mean

(SD)

F

Df1

Df2

P

Significant post-hoc

Speed of processing

TMT

28.7

12.1

58.0

34.9

41.8

16.7

55.1

19.4

2.177

3

102

.041

HC < PC, HC < SA

BACS

56.8

12.9

37.9

13.3

42.0

13.3

35.8

12.2

1.141

3

102

.337

 

FLUENCY

25.8

6.3

18.9

5.2

20.2

4.8

19.7

6.8

9.955

3

102

.000

HC > PC, HC > SI, HC > SA

Attention

CPT

2.8

0.8

2.5

.9

2.4

1.1

2.3

0.9

0.489

3

102

0.691

 

Verbal learning

HVLT-R

26.4

4.3

21.7

6.7

23.2

2.8

20.2

5.2

0.353

3

102

.047

HC > PC, HC > SI, HC > SA

Visual learning

BVMT-R

25.8

6.7

15.3

7.0

18.0

5.8

18.4

9.4

1.427

3

102

.050

HC > PC, HC > SI, HC > SA

Working memory

WMS III

26.4

4.3

21.7

6.7

23.2

2.8

20.2

5.2

0.994

3

102

.039

HC > PC, HC > SA

LNS

16.2

2.8

12.3

4.0

13.3

3.7

12.0

3.7

0.499

3

102

.684

 

Reasoning and Problem solving

NAB

18.6

6.3

9.6

6.6

13.6

7.3

10.6

6.7

0.335

3

102

.800

 

Social cognition

MSCEIT

91.1

9.7

91.2

9.3

86.5

10.6

82.3

7.4

10.549

3

102

.000

HC > SI, HC > SA, PC > SI, PC > SA, SI > SA

Global functioning

GAF

92.1

1.2

53.4

1.3

52.2

1.5

50.1

1.4

23.900

3

102

.000

HC > PC, HC > SI, HC > SA

  1. TMT Trail Making Test, BACS Brief Assessment of Cognition (Symbol-Coding), FLUENCY Animal Naming, CPT Continuous Performance Test – Identical Pairs, HVLT-R Hopkins Verbal Learning Test – Revised, BVMT-R Brief Visuospatial Memory Test, WMS III Wechsler Memory Scale Spatial Span, LNS Letter-Number Span, NAB Neuropsychological Assessment Battery, MSCEIT Mayer-Salovey-Caruso Emotional Intelligence Test, GAF Global Assessment of Functioning, HC Healthy control group, PC patient controls, SI Suicidal ideation, SA suicide attempt