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Table 1 Demographic and clinical characteristics of schizophrenia patients and controls

From: Impact of childhood trauma on sensory gating in patients with first-episode schizophrenia

 

Schizophrenia patients (N = 56)

Controls (N = 49)

X2/t

P

Gender, M/F

22/34

25/24

1.442

0.245

Age, years

25.90 ± 6.80

26.21 ± 3.90

− 0.274

0.785

Education, years

13.18 ± 3.24

14.12 ± 3.27

−1.372

0.173

DUP, months

29.92 ± 29.63

Drug-naïve/ on medication

24/32

Risperidone 10

Paliperidone 6

Olanzapine 7

Aripiprazole 6

Quetiapine 3

On medication>2w/<2w

11/21

PANSS

 Total

82.28 + 22.32

 Positive

22.57 ± 7.17

 Negative

19.25 ± 9.33

 General Psychopathology

43.02 ± 5.57

Childhood trauma

 Total

42.89 ± 11.60

38.60 ± 8.86

1.919

0.058

 Emotional abuse

7.97 ± 3.22

7.00 ± 2.48

1.589

0.116

 Physical abuse

6.11 ± 2.15

6.26 ± 2.08

− 0.314

0.754

 Sexual abuse

6.47 ± 2.13

5.50 ± 1.06

2.729

0.008

 Emotional neglect

12.83 ± 5.04

10.97 ± 3.94

1.910

0.060

 Physical neglect

9.87 ± 3.16

8.86 ± 2.31

1.679

0.097

PPI index

 Startle

77.41 ± 36.82

74.73 ± 30.33

0.322

0.748

 PPI (ISI = 120 ms), %

  PSC PPI

20.20 ± 25.86

27.77 ± 20.31

−1.321

0.191

  PSS PPI

21.06 ± 23.13

37.82 ± 20.58

−3.089

0.003

 PPI (ISI = 60 ms), %

  PSC PPI

19.98 ± 19.60

28.45 ± 18.57

−1.748

0.086

  PSS PPI

21.03 ± 17.66

41.07 ± 19.56

−4.196

0.000

  1. DUP duration of untreatment psychosis, PANSS Positive and Negative Syndrome Scale, PSC PPI perceived spatial co-location PPI, PSS PPI perceived spatial separation