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Table 3 The frequency of different PTSD symptoms among all subjects (684) and probable PTSD sufferers (n = 63)

From: Prevalence and risk factors of posttraumatic stress disorder among survivors five years after the “Wenchuan” earthquake in China

Variables

All n (%)

PTSD n (%)

B group

167(24.4)

53 (84.1)

Intrusive re-experiencing (at least one required)

 • Recurrent and intrusive distressing recollections

106 (15.5)

36 (57.1)

 • Recurrent distressing dreams

57 (8.3)

25 (39.7)

 • Acting or feeling as if events recurring

81 (11.8)

40 (63.5)

 • Intense psychological distress to cues

106 (15.5)

46 (73.0)

 • Physiological reactivity to cues

107 (15.6)

48 (76.2)

C group

30 (4.4)

22 (34.9)

Avoidance and numbing (at least three required)

 • Avoidance of thoughts, feelings and conversations

54 (7.9)

32 (50.8)

 • Avoidance of reminders

56 (8.2)

28 (44.4)

 • Psychogenic amnesia

26 (3.8)

17 (27.0)

 •Markedly diminished interest in significant activities

22 (3.2)

15 (23.8)

 • Detachment or estrangement feelings

19(2.8)

13 (20.6)

 • Restricted range of affect

17 (2.5)

15 (23.8)

 • Sense of a foreshortened future

42 (6.1)

24 (38.1)

D group

90 (13.2)

33(52.4)

Hyper-arousal (at least two required)

 • Sleep difficulty

62 (9.1)

23 (36.5)

 • Irritability or outbursts of anger

37 (5.4)

18 (28.6)

 • Difficulty concentrating

34 (5.0)

19 (30.2)

 • Hyper-vigilance

84 (12.3)

29 (46.0)

 • Exaggerated startle response

81 (11.8)

30 (47.6)

  1. PTSD = posttraumatic stress disorder.