Table 1 Mean scores (±s.d.) for demographic and clinical variables across clusters; between group differences were tested by χ2 or ANOVA

From: Distinct neurometabolic profiles are evident in the anterior cingulate of young people with major psychiatric disorders

 

Cluster 1 ( N= 20)

Cluster 2 ( N= 28)

Cluster 3 ( N= 29)

Significance test ( P)

Effect sizes, d

Controls ( N= 25)

     

1 vs 2

1 vs 3

2 vs 3

 

Sex (f/m)

11/9

16/12

15/14

χ2 (2, 77)=0.2 (0.918)

n.a.

n.a.

n.a.

11/14

Age, years

22.0±3.6

22.2±3.7

22.8±4.0

F (2, 76)=0.3 (0.745)

0.1

0.2

0.1

23.0±2.6

Predicted IQ

104.5±6.8

106.3±7.6

103.8±7.7

F (2, 73)=0.8 (0.454)

0.2

0.1

0.3

104.8±8.2

Education, years

12.9±2.0

13.8±2.4

13.8±2.2

F (2, 76)=1.3 (0.280)

0.4

0.4

0.0

14.6±1.8

SOFAS

61.7±10.7

62.9±11.8

62.9±14.0

F (2, 73)=0.1 (0.936)

0.1

0.1

0.0

91.0±2.5

K-10 total

29.7±8.7

23.9±8.0

25.2±8.4

F (2, 73)=2.7 (.070)

0.7

0.5

0.2

15.4±6.8

HDRS total

15.3±8.1

11.1±6.7

10.9±7.5

F (2, 75)=2.4 (0.101)

0.6

0.5

0.0

1.7±2.2

BPRS total

42.1±8.5

39.9±8.9

39.5±9.2

F (2, 74)=0.5 (0.588)

0.2

0.3

0.0

26.8±3.3

  1. Abbreviations: ANOVA, analysis of variance; BPRS, Brief Psychiatric Rating Scale; f, female; HDRS, Hamilton Depression Rating Scale; K-10, Kessler-10; m, male; SOFAS, Social and Occupational Functioning Assessment Scale.
  2. Effect sizes (d) for each pair-wise cluster comparison are also provided. †denote large effect sizes (d>0.8). Scores for the control group are also provided.
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