Item

Control group (n = 158)

Li PTSD Group (n = 167)

Han PTSD group (n = 141)

P*

P#

P&

Average age (years)

45.3 ± 5.1

45.4 ± 5.3

44.9 ± 5.8

0.917

0.492

0.434

Gender (male/female)

91/67

98/69

90/51

0.843

0.271

0.356

Marital Status (already/not)

111/47

101/66

87/54

0.064

0.119

0.826

Education level (year)

10.9 ± 2.6

10.6 ± 2.6

10.6 ± 2.5

0.239

0.214

0.930

ETI score

Intrusion symptoms

3.13 ± 0.93

5.98 ± 2.45

4.97 ± 1.89

<0.001

<0.001

<0.001

Avoiding symptoms

3.63 ± 1.15

6.27 ± 1.99

4.67 ± 1.57

<0.001

<0.001

<0.001

Highly alert symptoms

3.49 ± 1.08

5.20 ± 2.09

4.70 ± 1.42

<0.001

<0.001

0.016

Separation symptoms

2.53 ± 0.90

4.40 ± 1.63

3.46 ± 1.08

<0.001

<0.001

<0.001

PTSD total score

15.14 ± 6.13

23.84 ± 8.25

19.54 ± 6.29

<0.001

<0.001

<0.001

WAIS-RC

Knowledge

10.67 ± 1.75

10.23 ± 2.98

10.52 ± 2.58

0.106

0.564

0.355

Comprehension

11.78 ± 2.10

9.86 ± 2.47

10.74 ± 2.16

<0.001

<0.001

0.001

arithmetic

10.30 ± 2.19

9.89 ± 2.82

9.99 ± 2.32

0.138

0.224

0.738

similarity

11.08 ± 1.75

10.34 ± 2.62

10.43 ± 2.52

0.003

0.009

0.761

Digital breadth

11.15 ± 2.08

10.44 ± 3.56

10.80 ± 2.95

0.029

0.242

0.130

vocabulary

10.30 ± 2.19

10.10 ± 2.64

10.54 ± 2.14

0.440

0.349

0.109

Number symbol

10.46 ± 1.46

10.11 ± 2.63

10.13 ± 2.62

0.109

0.138

0.944

Picture fills

9.02 ± 1.08

8.59 ± 2.56

8.80 ± 2.23

0.054

0.276

0.450

Wooden block diagram

10.78 ± 2.10

9.57 ± 2.15

9.97 ± 1.47

<0.001

<0.001

0.065

Images arrangement

10.11 ± 2.82

9.62 ± 2.49

9.78 ± 2.18

0.096

0.257

0.559

Object patchwork

11.98 ± 1.79

9.83 ± 2.18

10.10 ± 1.98

<0.001

<0.001

0.266

Language IQ

101.37 ± 15.01

98.76 ± 10.92

99.43 ± 10.23

0.073

0.193

0.584

Operational intelligence

101.58 ± 10.00

95.89 ± 10.48

98.76 ± 13.25

<0.001

0.038

0.035

Total IQ

102.80 ± 10.64

97.59 ± 9.71

99.16 ± 9.42

<0.001

0.002

0.151

WCST

Number of categories

4.11 ± 0.93

3.90 ± 0.92

3.91 ± 1.03

0.093

0.079

0.931

Number of errors

13.44 ± 4.32

18.80 ± 4.45

19.04 ± 4.25

<0.001

<0.001

0.641

Correct number

32.16 ± 6.20

30.90 ± 6.03

31.18 ± 4.27

0.064

0.119

0.649

Number of persistent errors

4.70 ± 2.13

5.02 ± 2.37

4.88 ± 2.52

0.192

0.515

0.588

Random error number

8.25 ± 3.50

8.63 ± 3.02

8.38 ± 2.64

0.299

0.734

0.438

TMT

A time (seconds)

44.01 ± 9.54

53.83 ± 12.07

51.16 ± 10.57

<0.001

<0.001

0.042

B time (seconds)

65.65 ± 10.13

79.60 ± 8.97

75.79 ± 9.00

<0.001

<0.001

<0.001

TOH

Planning time

5.81 ± 2.21

7.28 ± 2.32

7.15 ± 2.03

<0.001

<0.001

0.614

Execution time

18.03 ± 6.05

26.07 ± 6.05

24.93 ± 6.96

<0.001

<0.001

0.205

Total score

54.69 ± 8.55

46.13 ± 9.57

47.15 ± 8.66

<0.001

<0.001

0.332