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Table 2 Comparison of the SF-36 total and sub-scales’ score between the case and the control group

From: Evaluation of health-related quality of life after total hip arthroplasty: a case-control study in the Iranian population

Sub-scale Case group (n = 217) Control group (n = 2017) P value*
Physical performance 28.3 ± 11.1 71.6 ± 21.5 0.001
Physical role 31.2 ± 12.6 73.4 ± 29.1 0.001
Mental health 39.3 ± 28.2 62.1 ± 31.4 0.014
Happiness and vitality 56.2 ± 21.4 68.7 ± 32.5 0.059
Emotional role 79.1 ± 19.2 77.7 ± 20.9 0.32
Social role 28.5 ± 29.2 61.3 ± 32.6 0.001
Physical pain 48.2 ± 28.4 70.1 ± 25 0.016
General health 42.1 ± 26.3 64.2 ± 26.7 0.023
Total score of quality of life 41.4 ± 22.2 67.3 ± 26.6 0.001
  1. *A p value fewer than 0.05 is considered significant