Table 1 Participant baseline demographics.

From: Age-associated alterations in thalamocortical structural connectivity in youths with a psychosis-spectrum disorder

 

Typically

Developing

Other

Psychopathology

Psychosis-

Spectrum

Significant Difference?

Direction of Effect

Total N

626

299

329

NA

NA

#F | %F

324 | 51.76%

176 | 58.86%

176 | 53.5%

p = 0.13

NA

Mean Age in years (SD)

15.38 (3.66)

14.91 (3.69)

15.89 (2.69)

p = 0.002

PS > OP & TD

Mean Total Negative Symptoms (SD)

1.30 (1.74)

1.51 (1.85)

5.03 (4.59)

p < 2.2e-16

PS > OP & TD

Mean Total Positive Symptoms (SD)

3.27 (1.74)

3.79 (1.85)

22.20 (4.59)

p < 2.2e-16

PS > OP & TD

  1. F female. Total Negative symptoms were calculated from severity scores to six negative symptom items from the Scale of Prodromal Symptoms (i.e., attention and focus, disorganized speech, perception of self, experience of emotion, occupational function and avolition). Scores could range from 0 to 36, as an individual could receive a score from 0 to 6 for each negative symptom item. Total positive symptoms were calculated from 12-item self-report, the Prevention through Risk Identification, Management & Education Screen Revised101 (PRIME). For each item, participants could choose a value from 0 (completely disagree) to 6 (completely agree). Scores for the PRIME could range from 0 to 72.
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