Table 1 Participant characteristics at baseline.

From: Effects of risperidone/paliperidone versus placebo on cognitive functioning over the first 6 months of treatment for psychotic disorder: secondary analysis of a triple-blind randomised clinical trial

 

First-episode psychosis

Healthy control (N = 42)

Placebo (N = 39)

Medication (N = 37)

Age, years (SD)

18.3 (2.7)

18.6 (2.9)

19.2 (3.0)

Women, N (%)

22 (56.4%)

21 (56.8%)

28 (66.7%)

Education, years (SD)

11.8 (1.8)

12.0 (3.1)

13.4 (2.2)

Estimated IQ

89.4 (14.1)

91.8 (14.3)

107.6 (10.0)

BPRS Total, mean (SD)

58.7 (9.1)

57.5 (10.1)

31.6 (3.6)

BPRS Psychotic, mean (SD)

15.0 (3.1)

13.9 (3.7)

4.1 (0.3)

SOFAS, mean (SD)

53.8 (13.1)

53.3 (10.7)

80.5 (8.9)

SANS Total, mean (SD)

26.8 (15.1)

25.9 (15.0)

DUP, N (%)

 0–30 days

6 (15.4%)

6 (16.2%)

 31–90 days

14 (35.9%)

12 (32.4%)

 >90 days

19 (48.7%)

19 (51.4%)

Psychotic diagnosis, N (%)

 Major depression with psychosis

7 (17.9%)

8 (21.6%)

 Schizophreniform disorder

6 (15.4%)

8 (21.6%)

 Psychotic disorder NOS

12 (30.8%)

8 (21.6%)

 Schizophrenia

7 (17.9%)

5 (13.6%)

 Substance-induced psychotic disorder

6 (15.4%)

4 (10.8%)

 Delusional disorder

1 (2.6%)

4 (10.8%)

  1. BPRS Brief Psychiatric Rating Scale, SOFAS Social and Occupational Functioning Assessment Scale, SANS Scale for the Assessment of Negative Symptoms, DUP duration of untreated psychosis, NOS not otherwise specified.