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Table 2 Features of the score distributions of the SIP-136, SF-36 and GARS scales (n = 186)

From: Psychometric properties of questionnaires evaluating health-related quality of life and functional status in polytrauma patients with lower extremity injury

Instrument Scale Mean SD Median Range1 Minimum2 (%) Maximum3(%)
SIP-136       
  Ambulation 17.32 17.8 15.3 0-67 40.3 0.5
  Mobility 6.76 13.6 0.0 0-60 67.7 0.5
  Body Care and Movement 5.92 10.1 1.5 0-55 46.8 0.5
  Social Interaction 7.73 13.2 0.0 0-73 52.2 0.5
  Alertness 12.69 20.9 0.0 0-97 59.7 0.5
  Emotional Behaviour 8.76 15.3 0.0 0-91 60.8 0.5
  Communication 4.08 9.8 0.0 0-53 80.1 0.5
  Sleep and Rest 9.46 13.8 0.0 0-78 54.3 0.5
  Eating 1.91 5.3 0.0 0-31 83.3 1.1
  Work 26.96 31.5 8.4 0-70 41.9 2.7
  Home Management 14.23 19.8 6.6 0-82 45.7 0.5
  Recreation and Pastimes 15.55 17.5 10.2 0-72 40.3 0.5
SF-36       
  Physical Functioning 62.90 29.6 65.0 0-100 2.7 12.4
  Role-Physical 53.20 42.7 50.0 0-100 30.1 36.6
  Bodily Pain 70.30 25.1 68.4 0-100 0.5 25.3
  General Health 67.10 20.6 70.0 10-100 1.1 2.7
  Vitality 62.40 19.1 65.0 0-100 0.5 1.6
  Social Functioning 74.80 28.2 87.5 0-100 4.3 34.9
  Role-Emotional 78.30 36.7 100 0-100 12.9 70.4
  Mental Health 74.30 19.6 80.0 12-100 0.5 4.3
GARS       
  Totaal 25.70 11.5 19.5 18-71 44.1 1.1
  ADL 14.50 6.0 11.0 11-43 51.6 1.6
  IADL 11.20 5.9 8.0 7-28 48.9 2.2
  1. SIP-136 = Sickness Impact Profile-136; SF-36 = SF-36 item Health Status Survey; GARS = Groningen
  2. Activity Restriction Scale; ADL = Activities in Daily Living; IADL = Instrumental Activities of Daily Living;
  3. n = number; SD = standard deviation.
  4. 1 Patients score range, minimum and maximum score.
  5. 2 Percentage of patients with minimum score, floor effect.
  6. 3 Percentage of patients with maximum score, ceiling effect.