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Table 2 Comparison of demographic and clinical variables for the HC and SZ groups.

From: Left auditory cortex gamma synchronization and auditory hallucination symptoms in schizophrenia

 

HC

SZ

Statistic

p

Age (years)

44.4 +/- 6.8

39.8 +/- 10.5

t[32] = 1.47

0.151

Parental socio-economic status (ref. 24)

3.1 +/- 1.3

3.2 +/- 0.9

t[28] = -0.316

0.754

Handedness

0.78 +/- 0.16

0.77 +/- 0.25

t[32] = 0.172

0.864

Age of onset (years)

 

26.1 +/- 8.0

  

Positive symptom total (SAPS)

 

9.0 +/- 4.2

  

Negative symptom total (SANS)

 

13.9 +/- 4.9

  

Medication dosage (chlorpromazine equivalents)

 

450 +/- 306

range 83–1200

  
  1. Mean +/- standard deviation are given for each variable.