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Table 4 Structured Interview for Prodromal Syndromes (SIPS) – Scale of Prodromal Symptoms (SOPS) scores

From: Neurophysiological differences between patients clinically at high risk for schizophrenia and neurotypical controls – first steps in development of a biomarker

 

Mean ± SD

Variable

Controls

High risk

T-test

Probability

PMAX

0.486 ± 0.781

4.333 ± 0.658

19.720

0.0000

PAVG

0.177 ± 0.177

2.429 ± 0.985

10.020

0.0000

NMAX

0.114 ± 0.323

1.875 ± 0.409

7.680

0.0000

NAVG

0.033 ± 0.017

1.395 ± 0.304

5.880

0.0000

DMAX

0.200 ± 0.531

2.810 ± 0.273

9.090

0.0000

DAVG

0.071 ± 0.215

1.202 ± 0.835

6.090

0.0000

GMAX

0.171 ± 0.514

3.381 ± 1.600

8.940

0.0000

GAVG

0.057 ± 0.172

2.131 ± 1.264

7.480

0.0000

  1. P, positive symptoms; N, negative symptoms; D, disorganized symptoms; G, general symptoms; MAX, maximum of six scale scores per symptom type, per subject; AVG, average of six scale scores per symptom type, per subject