Table 5

Indices of responsiveness after three months of follow-up in fibromyalgia patients

Mean change

Wilcoxon's test

P value

Effect size

Standardised response mean

Pain

5.141

5.653

< 0.0001

0.535

0.606

Fatigue

2.221

8.112

< 0.0001

0.787

0.778

Sleep

1.682

5.765

0.0008

0.698

0.518

Stiffness

1.864

5.785

0.0006

0.627

0.536

GH

0.941

6.882

< 0.0001

0.581

0.444

TPS

0.453

2.154

0.0312

0.191

0.151

SAPS

1.312

9.911

< 0.0001

0.713

0.722

FAS

1.431

10.015

< 0.0001

0.889

0.831

FIQ

14.194

8.184

< 0.0001

0.781

0.819

SF-36 PCS

2.594

-3.366

0.0006

0.321

0.285

SF-36 MCS

5.029

-4.412

< 0.0001

0.434

0.384

The greatest improvements were in Fibromyalgia Assessment Status (FAS), and the smallest in tender point score (TPS) and Short Form 36 Health Survey (SF-36) physical component scale summary score (PCS) and mental component scale summary score (MCS). FIQ = Fibromyalgia Impact Questionnaire; GH = perceived general health; SAPS = Self-Assessment Pain Scale.

Salaffi et al. Arthritis Research & Therapy 2009 11:R125   doi:10.1186/ar2792