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Table 3 Comparison of the subscales of SF-36, PCS, and MCS score before and 12 months after THA

From: Evaluation of health-related quality of life before and after total hip arthroplasty in the elderly in Iran: a prospective cohort study

Variable Before THA 12 months after THA Effect size (Cohen’s d) P value*
Subscales (Mean ± SD)
Physical performance 10.54 ± 8.5 35.11 ± 10.5 1.61 0.001
Physical role 10.3 ± 9.3 38.6 ± 11.4 1.69 0.001
Mental health 12.4 ± 28.2 45.5 ± 22.1 1.01 0.008
Vitality 19.6 ± 13.4 59.4 ± 20.5 1.46 0.022
Emotional role 42.6 ± 13.6 75.4 ± 24.6 1.19 0.042
Social role 8.6 ± 7.5 32.5 ± 13.2 1.38 0.001
Physical pain 10.03 ± 8.3 56.3 ± 14.3 1.35 0.001
General health 16.3 ± 8.1 50.5 ± 16.5 1.51 0.001
MCS 32.1 ± 18.4 55.6 ± 22.3 0.88 0.048
PCS 10.6 ± 9.9 41.2 ± 11.5 1.89 0.012
  1. MCS, mental component score; PCS, physical component score; THA, total hip arthroplasty
  2. *P value fewer than 0.05 is considered significant