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Table 2 The comparison of quality of life among study groups using analysis of variance and post-hoc tests

From: Quality of life in Croatian Homeland war (1991-1995) veterans who suffer from post-traumatic stress disorder and chronic pain

QOL dimension/status Groups N Mean ± SD F; P Post-hoc differences*
Physical PTSD + LBP (I) 79 75.44 ± 11.33   
  PTSD (II) 56 78.43 ± 11.54 49.18; I-III, I-IV, II-III,
  LBP (III) 84 87.43 ± 13.84 < 0.001 II-IV, III-IV
  Controls (IV) 134 94.42 ± 11.65   
  Total 353 85.97 ± 14.40   
Psychological PTSD + LBP (I) 76 63.74 ± 14.60   
  PTSD (II) 58 67.45 ± 15.92 79.05; I-III, I-IV, II-III,
  LBP (III) 90 80.27 ± 14.59 < 0.001 II-IV, III-IV
  Controls (IV) 132 90.67 ± 10.76   
  Total 356 78.51 ± 17.44   
Social PTSD + LBP (I) 80 33.40 ± 8.89   
  PTSD (II) 58 35.93 ± 9.98 70.19; I-III, I-IV, II-III,
  LBP (III) 91 41.58 ± 8.78 < 0.001 II-IV, III-IV
  Controls (IV) 134 49.22 ± 7.13   
  Total 363 41.70 ± 10.6   
Enviromental PTSD + LBP (I) 79 92.81 ± 20.78   
  PTSD (II) 58 100.76 ± 19.79 66.27; I-III, I-IV, II-IV,
  LBP (III) 88 108.36 ± 17.71 < 0.001 III-IV
  Controls (IV) 130 126.06 ± 14.27   
  Total 355 110.14 ± 22.02   
Satisfaction with personal health status PTSD + LBP (I) 80 1.84 ± 0.74   
  PTSD (II) 59 2.36 ± 0.85 127.48; I-II, I-III, I-IV, II-IV,
  LBP (III) 95 2.70 ± 0.98 < 0.001 III-IV
  Controls (IV) 135 4.03 ± 0.85   
  Total 369 2.94 ± 1.23   
Overall self-reported quality of life PTSD + LBP (I) 73 2.82 ± 1.14   
  PTSD (II) 49 3.29 ± 1.28 24.04; I-II, I-III, I-IV, II-III,
  LBP (III) 75 4.04 ± 1.25 < 0.001 II-IV
  Controls (IV) 42 4.48 ± 0.80   
  Total 239 3.59 ± 1.31   
  1. *Group-by-group comparisons that were significant at the level of P < 0.001 performed using LSD (homogenous variance; used for physical and overall quality of life) or Dunnet T3 (unhomogenous variance; all other questions). The significance was set at P < 0.001 in post-hoc test in order to reduce the increased chances of false positive results.