Skip to main content

Table 3 Demographic and Clinical Characteristics of CHR-P Subgroups

From: Duration of basic and attenuated-psychotic symptoms in individuals at clinical high risk for psychosis: pattern of symptom onset and effects of duration on functioning and cognition

 

APS & BS

APS

BS

df

K2/H/χ2

p

Number of participants

64

45

25

   

Female participants, n (%)

44 (68.8)

34 (75.6)

15 (60.0)

2

χ2 = 2

0.4

Age at baseline, median (range)

21 (16–34)

19 (16–32)

21 (17–31)

2

H = 4

0.1

Age at onset, median (range)

17 (5–29)

18 (4–31)

17 (5–25)

2

H = 2

0.3

Years in education, median (range)

15 (10–26)

14 (8–21)

15 (11–18)

2

H = 6

0.04

UK citizen, N (%)

46 (71.9)

31 (68.9)

20 (80.0)

2

χ2 = 0.8

0.7

ARMS

 APS criteria, n = 109 (81.34%)

64

45

–

1

χ2 = 0.00

1.0

 BLIPS criteria

0

0

–

   

 Severity score, mean (range)

16.31 (1–30)

15.31 (9–25)

–

1

K2 = 0.36

0.549

COPER

 Criteria, n = 88 (61.94%) a

61

–

27

 

χ2 = 1.17

0.280

 Sum score, mean (range)

4.07 (3–6)

–

4.05 (3–6)

 

K2 = 2.85

0.092

COGDIS

 Criteria, n = 57 (32.09%)a

39

–

18

 

χ2 = 0.70

0.403

 Sum score, mean (range)

4.35 (3–6)

–

4.13 (3–6)

 

K2 = 0.18

0.669

Mean duration (SD), in months

 APS

46 (45)

39 (54)

–

 

F = 0.54

0.46

 BS

54 (45)

–

48 (43)

 

F = 0.38

0.54

Median duration (range), in months

 APS

37 (1–226)

12 (2–246)

–

 

H = 3

0.08

 BS

44 (1–180)

–

37 (3–187)

 

H = 0.6

0.4

GAF, median (range)

55 (21–95)

57 (21–86)

62 (34–95)

 

H = 3

0.2

GF: Role, median (range)

8 (4–9)

8 (4–9)

8 (6–9)

 

H = 2

0.4

GF: Social, median (range)

8 (5–9)

8 (5–9)

8 (6–10)

 

H = 0.8

0.7

Current medication, n (%)

 No medication

28 (43.8)

23 (51.1)

12 (48.0)

2

χ2 = 0.5

0.8

 Anti-psychotic

1 (1.6)

1 (2.2)

0

2

χ2 = 0.5

0.8

 Mood stabiliser

0

0

1 (4.0)

2

χ2 = 4

0.1

 Anti-depressant

16 (25.0)

11 (24.4)

3 (12.0)

2

χ2 = 2

0.4

 Anti-convulsant

0

0

1 (4.0)

2

χ2 = 4

0.1

 Other

9 (14.1)

3 (6.7)

3 (12.0)

2

χ2 = 2

0.5

 Multiple

9 (14.1)

7 (15.6)

5 (20.0)

2

χ2 = 0.4

0.8

Lifetime diagnosis, n (%)

 No diagnosis

5 (7.8)

3 (6.7)

4 (16.0)

2

χ2 = 2

0.3

 Anxiety disorder

45 (70.3)

32 (71.1)

12 (48.0)

2

χ2 = 3

0.2

 Mood disorders

57 (89.1)

27 (60.0)

12 (48.0)

 

χ2 = 4

0.1

 Eating disorders

6 (9.4)

6 (13.3)

1 (4.0)

 

χ2 = 1

0.5

 Alcohol dependence/abuse

20 (31.3)

14 (31.1)

6 (24.0)

 

χ2 = 0.2

0.9

 Substance dependence/abuse

7 (10.9)

11 (24.4)

3 (12.0)

 

χ2 = 4

0.2

Suicidality n (%)

 Suicidality

35 (20.0)

24 (45.8)

13 (23.1)

 

χ2 = 0.1

0.9

  1. a = note 37 participants met both COGDIS & COPER criteria. Abbreviations: X2 Pearson’s Chi-squared test, K2 Bartlett test of homogeneity of variances, H Kruskal-Wallis rank sum test, F one way ANOVA, ARMS at-risk mental state, APS attenuated psychotic symptoms, BLIPS brief limited intermittent psychotic symptoms, BS Basic symptoms, COPER Cognitive-perceptive basic symptoms, COGDIS Cognitive disturbances basic symptoms