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Table 2 Psychometric assessment of family members of ICU patients by time point

From: Posttraumatic stress symptoms in families of cancer patients admitted to the intensive care unit: a longitudinal study

  Time point 1 (n = 23) Time point 2 (n = 18) p t or z r or d post hoc
  Mean SD Median Mean SD Median
IES-R (total) 15.0 13.3 13.50 11.0 11.19 10.50 0.04b −2.43 −0.57 0.73
Re-experience 6.79 7.17 4.0 4.42 5.06 3.4 0.06b −1.98 −0.47 0.59
Arousal 4.83 5.70 32 2.13 3.18 1.8 0.38b −0.44 −0.10 0.12
Avoidance 5.29 6.81 3.8 4.46 4.19 3.4 0.09b −0.95 −0.22 0.22
CES-D 14.62 8.12 12.00 13.15 8.55 12.00 0.22b −0.61 −0.14 0.14
STAI (state) 48.88 13.59 45.0 43.72 11.65 43.0 0.04a 2.41 0.51 0.53
STAI (trait) 45.11 5.3 38.0
  1. IES-R Impact Event Scale-Revised, CES-D the Center for Epidemiological Studies Depression Scale, STAI the Spielberger’s State-Trait Anxiety Inventory
  2. aPaired t test
  3. bWilcoxon signed-rank test