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Table 4 Determinants of SF-36 scores; multiple linear regression analysis

From: Quality of life and functionality after total hip arthroplasty: a long-term follow-up study

   

Outcome

  

Explanatory variable

c

95% CI

P

Total adjusted R2 %*

R2 Change %**

   

PCS

  

WOMAC score

-0.28

-0.32 -- -0.22

< 0.001

64

49

FCI score

-1.83

-0.23 -- -1.35

< 0.001

 

12

   

MCS

  

HHS

0.16

0.11 -- 0.21

< 0.001

15

14

   

PF

  

WOMAC score

-0.92

-1.06 -- -0.79

< 0.001

60

54

FCI score

-3.53

-4.81 -- -2.25

< 0.001

 

5

   

RP

  

HHS

0.86

0.59 -- 1.14

< 0.001

24

16

Bilateral THA

-19,79

-29.72 -- -9.85

< 0.001

 

4

   

BP

  

HHS

0.60

0.49 -- 0.71

< 0.001

47

38

FCI score

-3.51

-4.60 -- -2.43

< 0.001

 

9

   

GH

  

HHS

0.38

0.30 -- 0.46

< 0.001

 

37

FCI score

-2.76

-3.56 -- -1.96

< 0.001

54

13

Follow-up length

-0.06

-0.09 -- -0.02

0.001

 

3

   

VT

  

WOMAC score

-0.30

-0.38 -- -0.21

< 0.001

 

34

FCI score

-2.87

-3.62 -- -2.12

< 0.001

50

13

Postoperative employment

5.52

2.07 -- 8.98

0.002

 

3

   

SF

  

HHS

0.65

0.53 -- 0.76

< 0.001

48

41

FCI score

-3.24

-4.34 -- -2.14

< 0.001

 

7

   

RE

  

HHS

0.97

0.73 -- 1.21

< 0.001

21

21

   

MH

  

HHS

0.27

0.20 -- 0.34

< 0.001

29

23

FCI score

-1.50

-2.19 -- -0.81

< 0.001

 

4

  1. C = coefficient; CI = confidence interval; SF-36 = Short Form-36 Health Survey; PCS = physical component summary; MCS = mental component summary; PF = physical functioning; RP = role physical; BP = bodily pain; GH = general health; VT = vitality; SF = social functioning; RE = role emotional; MH = mental health; FCI = Functional Comorbidity Index
  2. * = total adjusted R2 accounted for by the whole model
  3. ** = only explanatory variables accounting for a R2 variation in the outcome ≥ 3 are reported
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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