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Table 2 Comparison of the subscales of SF-36, PCS and MCS score before and 6 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

6 months after THA

Effect size (Cohen’s d)

P value*

Subscales (Mean ± SD)

Physical performance

10.54 ± 8.5

22.83 ± 9.7

0.93

0.028

Physical role

10.3 ± 9.3

28.5 ± 12.5

1.21

0.001

Mental health

12.4 ± 28.2

33.5 ± 21.2

0.61

0.028

Vitality

25.6 ± 19.4

37.8 ± 26.8

0.28

0.059

Emotional role

42.6 ± 16.6

54.4 ± 25.7

0.32

0.061

Social role

8.6 ± 7.5

25.3 ± 12.5

0.96

0.011

Physical pain

10.03 ± 7.3

40.5 ± 13.3

1.57

0.001

General health

16.3 ± 8.1

35.5 ± 14.1

0.96

0.003

MCS

32.1 ± 18.4

37.16 ± 21.5

0.16

0.067

PCS

10.6 ± 9.88

24.1 ± 11.2

0.97

0.023

  1. MCS, mental component score; PCS, physical component score; THA, total hip arthroplasty
  2. *P value fewer than 0.05 is considered significant
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BMC Psychology

ISSN: 2050-7283

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