Table 2 Descriptive statistics for studies included in the ideation analysis.

From: Structural brain alterations associated with suicidal thoughts and behaviors in young people: results from 21 international studies from the ENIGMA Suicidal Thoughts and Behaviours consortium

Site

Age HC (years)

Age CC (years)

Age ideation

% female HC

% female CC

% female ideation

Total N HC

Total N CC

Total N Ideation

A. Mood disorders only sample

Boystown (USA)

17.0 (14–18)

17.0 (13–19)

17.0 (14–18)

22.2

60.0

54.4

9

10

11

DEP-ARREST-CLIN – MOODS (France)

21.0 (20–25)

-

22.0 (18–25)

54.5

-

70.0

11

0

10

EPISCA (Netherlands)

14.0 (13–19)

15.5 (13–16)

16.0 (13–20)

86.2

83.3

88.9

29

6

18

FOR2107-Marburg

23.0 (18–25)

24.0 (18–25)

23.0 (18–25)

67.2

84.4

49.1

125

32

57

FOR2107-Münster (Germany)

23.0 (18–25)

22.0 (18–25)

23.0 (19–25)

71.7

77.3

50.0

106

22

26

Houston BD (USA)

14.0 (8–25)

14.0 (8–25)

14.0 (10–24)

54.3

31.6

66.7

81

57

9

MDD Cohort (China)

23.0 (22–24)

22.0 (18–25)

21.0 (16–25)

80.0

44.4

66.7

5

9

12

Muenster Neuroimaging Cohort (Germany)

22.0 (17–25)

23.0 (16–25)

22.0 (17–25)

47.5

57.9

50.0

80

19

40

Sydney Brain and Mind Centre (Australia)

23.0 (18–25)

19.5 (12–25)

17.0 (15–22)

60.0

61.4

77.8

25

44

9

University of Minnesota (USA)

16.0 (12–19)

16.0 (13–20)

16.0 (12–19)

54.5

74.3

84.0

22

35

25

University of Texas- Austin -Bipolar Seed Program (USA)

21.0 (18–25)

21.0 (18–25)

20.5 (19–25)

69.2

75.0

83.3

26

12

6

Total

22.0 (8–25)

19.0 (8–25)

20.0 (10–25)

62.4

61.0

61.4

519

246

223

B. Transdiagnostic sample

Boystown (USA)

17.0 (14–18)

16.0 (12–19)

16.0 (12–18)

22.2

30.7

63.0

9

114

27

DEP-ARREST-CLIN – MOODS (France)

21.0 (20–25)

 

22.0 (18–25)

54.5

 

70.0

11

0

10

EPISCA (Netherlands)

14.0 (13–19)

16.0 (13–20)

16.0 (12–20)

86.2

83.3

87.5

29

12

24

FOR2107-Marburg (Germany)

23.0 (18–25)

24.0 (18–25)

23.0 (18–25)

67.2

84.4

49.1

125

32

57

FOR2107-Münster (Germany)

23.0 (18–25)

22.0 (18–25)

23.0 (19–25)

71.7

77.3

50.0

106

22

26

Houston BD (USA)

14.0 (8–25)

14.0 (8–25)

14.0 (10–24)

54.3

31.6

66.7

81

57

9

MDD Cohort (China)

23.0 (22–24)

22.0 (18–25)

21.0 (16–25)

80.0

44.4

66.7

5

9

12

Muenster Neuroimaging Cohort (Germany)

22.0 (17–25)

23.0 (16–25)

22.0 (17–25)

47.5

57.9

50.0

80

19

40

SOCAT (Turkey)

23.0 (17–25)

 

23.0 (19–25)

100.0

 

95.0

37

0

20

Sydney Brain and Mind Centre (Australia)

23.0 (18–25)

19.0 (12–25)

20.0 (14–25)

60.0

61.4

85.7

25

83

21

University of Minnesota (USA)

16.0 (12–19)

16.0 (13–20)

16.0 (12–19)

54.5

74.3

84.0

22

35

25

University of Texas- Austin -Bipolar Seed Program (USA)

21.0 (18–25)

21.0 (18–25)

20.5 (19–25)

69.2

75.0

83.3

26

12

6

UWashington/Harvard (USA)

11.0 (8–16)

10.5 (8–16)

14.5 (8–16)

50.0

50.0

58.3

50

24

12

Total

21.0 (8–25)

17.0 (8–25)

20.0 (8–25)

63.7

52.5

65.7

606

419

289

  1. Presented here are age (median, minimum, maximum) and sex for the three groups (HC healthy controls, CC clinical controls, Ideation: group with current suicidal ideation) for the different sites included in the analysis on suicidal ideation in the stage II mood disorder only sample (A) and stage III transdiagnostic sample (B).