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Table 4 Summary results for alterable and non-alterable predictors

From: Preoperative predictors of health-related quality of life changes (EQ-5D and EQ VAS) after total hip and knee replacement: a systematic review

Predictor

Number of studies

EQ-5D Index results

EQ VAS results

MCID

Alterable

 

+

–

n.s.

+

–

n.s.

N.A.

+

–

N.A.

 High BMI

7

3

1

3

0

0

5

2

1

2

4

 Opioid-user

1

0

0

1

0

0

1

0

0

0

1

 Level of empowering knowledge

1

0

0

1

0

0

1

0

0

0

1

 Patient education

1

1

0

0

1

0

0

0

0

0

1

 Physiotherapy

1

1

0

0

1

0

0

0

0

0

1

Non-alterable

 High Charnley class

3

0

1

2

0

2

1

0

2

0

1

 High KL classification

3

2

0

1

0

0

1

2

1

0

2

 High Ahlbäck classification

1

0

0

1

0

0

0

0

0

0

1

 Male gender

4

0

2

2

1

2

1

0

1

1

2

 Oder age

8

0

4

4

0

4

3

1

2

1

5

 High ASA score

1

1

0

0

0

0

1

0

0

1

0

 Anxiety/depression

1

1

0

0

0

0

0

1

0

1

0

 High education level

1

1

0

0

1

0

0

0

0

0

1

 No previous operations

1

0

0

1

0

0

1

0

0

1

0

  1. + positive relationship, − negative relationship, n.s not significant, N.A not applicable