Table 1 Mean scores (standard deviations), significance and effect sizes of demographic and clinical measures for participants in the PTSD, TE and Control Groups.

From: The influence of the BDNF Val66Met genotype on emotional recognition memory in post-traumatic stress disorder

Measure

Control (n = 85)

TE (n = 105)

PTSD (n = 44)

Total (n = 234)

Test statistic

p

Effect size

ɳp2

Age

21.88 (4.61)

27.52 (10.64)

28.11 (10.41)

25.59 (9.28)

F = 11.67

 < 0.001

0.09

DASS Depression

2.31 (2.68)

2.99 (3.21)

8.34 (4.91)

3.75 (4.08)

F = 49.57

 < 0.001

0.28

DASS Anxiety

2.18 (2.93)

2.61 (2.61)

8.07 (4.33)

3.48 (3.81)

F = 59.41

 < 0.001

0.36

DASS Stress

3.47 (3.22)

5.06 (3.55)

11.66 (4.69)

5.72 (4.70)

F = 75.80

 < 0.001

0.40

PCL

6.45 (8.01)

11.12 (8.77)

41.49 (14.33)

15.28 (16.29)

F = 156.6

 < 0.001

0.55

AUDIT

4.25 (4.14)

5.11 (4.53)

8.21 (5.98)

5.37 (4.89)

F = 10.38

 < 0.001

0.08

BMI

23.06 (3.61)

24.68 (5.12)

26.00 (5.80)

24.34 (4.88)

F = 5.96

 < 0.001

0.05

Sex

48F, 37M

66F, 39M

30F, 14M

144F, 90M

χ2 = 0.40

0.67

 

Meds

2 yes/83 no

7 yes/98 no

8 yes/36 no

17 yes/217 no

χ2 = 9.78

0.01

 
  1. n number of participants in group, DASS depression anxiety and stress scale; PCL PTSD Checklist, AUDIT alcohol use disorder identification test, BMI Body Mass Index; refer to Supplementary Information for medication type/distribution.
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