Table 1 Overview of demographic data, positive and negative symptoms, and cognitive scores of the study's participants who were included in the final data analysis. Inferential statistics (rightmost columns) refer to differences between patient group and control group. Groups did not differ in terms of age and education, but patients showed deficits in cognitive functions, as assessed by BACS.

From: Low-frequency oscillations reflect aberrant tone restoration during the auditory continuity illusion in schizophrenia

 

Patients

Controls

Statistics

Mean

SD

Mean

SD

t value

p value

Age (years)

35.15

7.59

36.06

7.96

– 0.61

0.55

Education (years)

11

1.59

11.23

1.68

0.12

0.91

Chlorpromazine Eq. (daily dosage/mg)

337.73

165.23

 

N

N

  

Gender (m/f)

14/6

11/6

Handedness (r/l)

18/2

15/2

Antipsychotic medications

16

Co-medicationa

4

BACS (T Score)

Verbal memory

44.1

12.47

52.53

10.77

− 2.18

0.04*

Digit

44.05

10.76

49.0

9.42

− 1.47

0.15

Motor

43.5

10.68

50.52

9.81

− 2.07

0.05

Fluency

48.65

9.68

52.18

12.95

− 0.94

0.35

Symbol coding

42.4

9.39

48.53

13.38

− 1.63

0.11

Tower of London

51.05

7.71

53.18

6.15

− 0.89

0.38

Composite T

42.75

8.96

51.53

9.99

− 2.81

0.01*

Total score

249.58

32.79

283.06

33.54

− 2.79

0.01*

PANSS

Positive

16.35

3.59

Negative

18.05

5.12

General

37.6

6.08

  1. aCo-medication of antipsychotics and mood-stabilizers.
  2. *p  < 0.05.