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Table 2 Demographic, neuropsychological assessments and clinical assessments outcomes of adolescent and adult first-episode schizophrenics

From: Relationship between negative symptoms and neurocognitive functions in adolescent and adult patients with first-episode schizophrenia

 

Adolescent first-episode schizophrenics (N = 33)

Adult first-episode schizophrenics (N = 59)

t

P-value

Age (years)

15.48

25.02

−10.107

< .001

Education level (years)

9.61

11.42

−3.518

.001

Duration of illness (months)

9.67 ± 1.50

11.42 ± 3.43

−1.182

.240

PANSS

T

85.30 ± 18.04

83.56 ± 16.04

.462

.645

P

23.33 ± 7.21

24.19 ± 7.50

-.537

.593

N

20.45 ± 10.26

18.66 ± 6.65

.904

.371

G

41.52 ± 8.70

40.71 ± 8.16

.434

.666

WCST

TT

47.64 ± 1.11

47.17 ± 3.30

.990

.325

CT

24.06 ± 9.62

26.19 ± 10.92

-.968

.336

TE

23.27 ± 10.15

20.98 ± 10.78

1.015

.314

PE

14.64 ± 6.28

13.36 ± 8.18

.840

.403

RE

8.55 ± 5.10

7.63 ± 4.95

.837

.406

CC

2.64 ± 2.07

3.00 ± 2.05

-.810

.421

CPT

CPT 1

10.79 ± 2.30

11.14 ± 2.25

-.700

.486

CPT 2

10.67 ± 3.45

12.17 ± 3.16

−2.064

.043

CPT 3

11.61 ± 3.65

12.14 ± 2.57

-.738

.464

PE of CPT 3

.61 ± 1.48

.97 ± 1.88

−1.013

.314

TMT

TMT 1

57.85 ± 30.69

58.28 ± 36.06

-.061

.951

TMT 2

104.68 ± 48.052

119.69 ± 69.05

−1.223

.225

SCWT

SCWT 1

50.50 ± 16.44

50.99 ± 14.59

-.145

.885

SCWT 2

88.25 ± 30.03

91.23 ± 35.23

-.430

.669

SCWT 3

134.98 ± 33.04

147.90 ± 55.98

−1.391

.168

RT of SCWT

46.74 ± 19.66

56.66 ± 33.09

−1.804

.075

  1. Values are the means ± SD. All P-values were compared with Healthy people analyzed by an unpaired t-test
  2. T PANSS total scores, P positive syndrome scale scores, N negative syndrome scale scores, G general psychopathology syndrome scale scores, TT total trials, CT correct trials, TE total number of errors, PE perseverative errors, RE random errors, CC the number of completed categories, PE of CPT 3 perseverative errors of CPT 3, RT of SCWT reaction time of SCWT;