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Table 2 Comparisons between those not participating in IPRP and those participating in IPRP for the non-neuropathic group and the Neuropathic group separately. For each diagnostic group, statistics for group differences (P-value and ES when significant P-value) are listed. Furthest to the right is the two subgroups at baseline receiving IPRP compared (a positive ES indicate higher value in non-neuropathic subgroup)

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)

Group

Non-neuropathic

       

Neuropathic

       

Baseline

 

Variables

No IPRP

  

IPRP

  

Statistics

 

No IPRP

  

IPRP

  

Statistics

 

Statistics

 

Categorial variables

%

 

n

%

 

n

P

ES

%

 

n

%

 

n

P

ES

P

ES

Sex (% men)

25.0

 

7986

19.5

 

6369

 < 0.001

NA

45.0

 

935

34.8

 

719

 < 0.001

NA

 < 0.001

NA

Born outside Europe

15.6

 

7620

10.1

 

6330

 < 0.001

NA

17.4

 

901

11.1

 

710

 < 0.001

NA

0.381

NA

University education

21.1

 

7524

23.7

 

6286

 < 0.001

NA

21.1

 

894

24.8

 

698

0.085

NA

0.531

NA

Dr visits (> 4)

70.9

 

7320

67.3

 

6004

 < 0.001

NA

73.5

 

858

74.2

 

664

0.407

NA

 < 0.001

NA

Continuous variables

Mean

SD

n

Mean

SD

n

p

ES

Mean

SD

n

Mean

SD

n

p

ES

p

ES

Age (years)

42.7

11.4

7986

43.1

10.5

6369

0.033

-0.04

45.8

10.9

935

44.4

11.0

719

0.011

0.13

0.001

-0.13

Not work

1579

2416

3067

1144

2789

2306

 < 0.001

0.17

1602

2454

400

1185

3099

277

0.052

-

0.834

-

Pain duration

3373

3355

6718

3284

3432

5786

0.147

-

2834

3192

802

2356

3151

648

0.004

0.15

 < 0.001

0.27

Persistent pain duration

2752

2979

5654

2545

3053

4906

 < 0.001

0.07

2293

3018

683

1943

3245

558

0.050

0.11

 < 0.001

0.20

PRI

15.9

9.6

7986

16.1

8.7

6369

0.252

-

11.2

7.5

935

11.4

6.9

719

0.563

-

 < 0.001

0.55

NRS-7 days

7.2

1.8

7502

6.9

1.7

6253

 < 0.001

0.16

7.3

1.8

886

7.0

1.7

702

 < 0.001

0.22

0.868

-

HADS-A

9.6

5.2

7487

9.2

4.7

6369

 < 0.001

0.09

9.4

5.2

888

8.7

4.9

719

0.004

0.14

0.023

0.09

HADS-D

8.9

4.9

7493

8.5

4.4

6362

 < 0.001

0.08

9.3

5.0

892

8.4

4.6

719

 < 0.001

0.17

0.674

-

MPI-Pain-severity

4.6

0.9

7523

4.4

0.9

6310

 < 0.001

0.17

4.6

1.0

892

4.5

0.9

713

0.002

0.16

0.178

-

MPI-Pain-interfer

4.5

1.1

7430

4.4

1.0

6284

 < 0.001

0.08

4.5

1.1

880

4.5

1.0

710

0.503

-

0.003

-0.11

MPI-LifeCon

2.6

1.2

7477

2.7

1.1

6299

 < 0.001

-0.10

2.6

1.3

888

2.8

1.1

711

0.001

-0.17

0.003

-0.12

MPI-Distress

3.6

1.4

7471

3.5

1.3

6301

 < 0.001

0.06

3.6

1.4

887

3.4

1.3

710

0.015

0.12

0.171

-

MPI-Socsupp

4.1

1.4

7447

4.1

1.3

6288

0.253

-

4.4

1.3

887

4.3

1.3

710

0.275

-

 < 0.001

-0.17

MPI-punish

1.8

1.5

6788

1.8

1.4

5861

0.009

0.05

1.9

1.4

814

1.7

1.4

667

0.107

-

0.602

-

MPI-protect

3.1

1.5

6750

3.0

1.4

5840

 < 0.001

0.07

3.2

1.4

806

3.1

1.4

662

0.047

0.10

0.060

-

MPI-distract

2.6

1.3

6782

2.5

1.2

5857

0.164

-

2.7

1.3

810

2.6

1.2

665

0.019

0.12

0.590

-

MPI-GAI

2.3

0.9

7487

2.5

0.8

6304

 < 0.001

-0.19

2.2

1.0

890

2.4

0.9

709

 < 0.001

-0.22

0.002

0.13

EQ-5D-index

0.2

0.3

7325

0.3

0.3

6028

 < 0.001

-0.13

0.2

0.3

866

0.2

0.3

664

0.027

-0.11

 < 0.001

0.19

EQ-VAS

39.7

20.9

7158

41.1

18.9

5981

 < 0.001

-0.07

37.9

21.3

834

40.2

19.6

651

0.037

-0.11

0.246

-

sf36-pf

48.8

22.4

7408

52.5

20.0

6130

 < 0.001

-0.17

45.2

22.7

868

48.9

19.8

677

 < 0.001

-0.17

 < 0.001

0.18

sf36-rp

13.1

25.6

7223

12.4

24.0

6092

0.107

-

12.8

26.3

850

11.6

23.4

666

0.361

-

0.397

-

sf36-bp

22.4

15.0

7418

24.0

13.8

6133

 < 0.001

-0.11

20.9

15.1

873

22.2

14.0

677

0.097

-

0.001

0.13

sf36-gh

37.6

21.4

7291

40.8

20.4

6087

 < 0.001

-0.16

40.6

21.7

856

43.9

20.2

668

0.003

-0.16

 < 0.001

-0.15

sf36-vt

22.8

19.3

7388

22.7

18.2

6127

0.751

-

25.5

20.0

863

26.1

19.1

677

0.564

-

 < 0.001

-0.19

sf36-sf

45.8

26.8

7403

47.1

25.1

6133

0.004

-0.05

44.6

27.4

872

46.6

26.8

676

0.148

-

0.647

-

sf36-re

41.3

43.5

7120

42.2

42.8

6044

0.220

-

37.5

43.6

828

43.6

43.7

657

0.008

-0.14

0.452

-

sf36-mh

53.3

23.3

7375

55.0

21.2

6123

 < 0.001

-0.07

51.6

24.4

861

56.6

21.6

677

 < 0.001

-0.22

0.058

-

  1. ES effect size (Hedges’ correction for between groups), 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