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Table 6 The differences between baseline assessment and 12-month follow-up (a positive value indicates improvement) for the 22 outcome variables in the two groups. Both within group and between group statistics (p-value and effect sizes) are shown. * denotes significant group difference

From: Effects of interdisciplinary pain rehabilitation programs on neuropathic and non-neuropathic chronic pain conditions – a registry-based cohort study from Swedish Quality Registry for Pain Rehabilitation (SQRP)

 

Non-neuropathic group

 

Statistics

 

Neuropathic group

 

Statistics

 

Statistics

 
 

Mean

SD

Within

group

Mean

SD

Within group

 

Between groups

 

Variables

  

P-value

ES

  

P-value

ES

P-value

ES

diff-NRS-7daysa

0.99

2.15

 < .001

0.46

1.23

2.30

 < .001

0.53

0.018*

-0.11

diff-HADS-Aa

1.36

4.01

 < .001

0.34

1.42

4.49

 < .001

0.32

0.723

-0.02

diff-HADS-Da

1.46

4.01

 < .001

0.37

1.55

4.22

 < .001

0.37

0.634

-0.02

diff-MPI-Pain-severitya

0.61

1.11

 < .001

0.55

0.78

1.21

 < .001

0.65

 < .001*

-0.15

diff-MPI-Pain-interfera

0.57

1.09

 < .001

0.53

0.70

1.20

 < .001

0.59

0.012*

-0.12

diff-MPI-LifeCon

0.53

1.26

 < .001

-0.42

0.49

1.34

 < .001

-0.37

0.564

0.03

diff-MPI-distressa

0.48

1.39

 < .001

0.35

0.56

1.39

 < .001

0.41

0.213

-0.06

diff-MPI-Socsupp

-0.39

1.16

 < .001

0.33

-0.50

1.15

 < .001

0.44

0.031*

0.10

diff-MPI-punisha

0.02

1.21

0.424

0.01

0.00

1.28

0.998

0.00

0.782

0.01

diff-MPI-protect

-0.19

1.19

 < .001

0.16

-0.31

1.15

 < .001

0.27

0.032*

0.11

diff-MPI-distract

-0.06

1.07

0.001

0.06

-0.17

1.02

 < .001

0.17

0.031*

0.11

diff-MPI-GAI

0.14

0.78

 < .001

-0.18

0.26

0.91

 < .001

-0.28

0.002*

-0.14

diff-EQ-5D-index

0.16

0.35

 < .001

-0.44

0.25

0.37

 < .001

-0.68

 < .001*

-0.27

diff-EQ-VAS

10.48

23.68

 < .001

-0.44

14.03

24.91

 < .001

-0.56

0.001*

-0.15

diff-sf36-pf

6.00

18.16

 < .001

-0.33

8.03

19.52

 < .001

-0.41

0.018*

-0.11

diff-sf36-rp

14.08

37.06

 < .001

-0.38

15.02

40.15

 < .001

-0.37

0.595

-0.03

diff-sf36-bp

10.23

18.46

 < .001

-0.55

13.72

19.91

 < .001

-0.69

 < .001*

-0.19

diff-sf36-gh

4.58

19.22

 < .001

-0.24

3.69

18.40

 < .001

-0.20

0.330

0.05

diff-sf36-vt

9.45

22.38

 < .001

-0.42

10.27

23.56

 < .001

-0.44

0.443

-0.04

diff-sf36-sf

8.67

26.47

 < .001

-0.33

9.04

27.02

 < .001

-0.34

0.765

-0.01

diff-sf36-re

10.99

48.67

 < .001

-0.23

9.88

52.56

 < .001

-0.19

0.640

0.02

diff-sf36-mh

6.54

21.07

 < .001

-0.31

5.68

21.56

 < .001

-0.26

0.390

0.04

  1. diff Change in a certain variable (generally post IPRP – pre but for variables marked with a pre-post IPRP), ES Effect size (Hedges’ correction for between groups and Cohen’s d for within group, NRS-7 days Pain intensity as measured by a numeric rating scale for the previous 7 days, HADS Hospital Anxiety and Depression Scale, MPI Multidimensional Pain Inventory, EQ-5D-index The index of the European quality of life instrument, EQ-VAS The European quality of life instrument thermometer-like scale, sf36 The Short Form (36) Health Survey. See Methods for explanations of the subscale abbreviations