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Table 2 Frequency and quality of intrusions depending on consciousness

From: Posttraumatic Stress Disorder in patients with traumatic brain injury

patients with intrusions °
  conscious (N = 10) unconscious (N = 8)  
  Mean Rank sum Mean Rank sum U
Frequency of intrusions during the last week 5.95 120 3.25 51 15*
Intrusions of the accident itself 3.3 115.5 2.0 55.5 19.5*
Visual intrusions 3.3 104.5 2.75 66.5 30.5
Acoustic intrusions 2.7 113.5 1.38 57.5 21.5
Olfactory intrusions 1.0 95 1.0 76 40
Bodily sensations during intrusions 2.7 119 1.0 52 16**
Same feelings as during the event 2.9 123 1.0 48 12**
Impression that event is happening at this moment 2.3 115 1.0 56 20*
Internal narrative about the sequence of events 1.0 67.5 1.63 85.5 22.5*
Intrusions of the space of time before the accident 1.7 97.5 1.5 73.5 37.5
Intrusions of the space of time after the accident 2.4 86.5 2.57 66.5 31.5
Intrusions about reports by others 1.3 79.5 2.38 91.5 24.5
Intrusions based on imaginations 1.4 97.5 1.38 73.5 37.5
Ruminations without an image of the event 1.78 90.5 1.38 62.5 26.5
  1. ° Only those were included in the analysis. * p ≤ 0.05; ** p < 0.01. Note: "Frequency" is the number of intrusions during the last week. All the other variables were coded from 1 to 4, with 1 = never, 2 = seldom, 3 = often, 4 = always.