Table 3 Correlation between disease activity markers, disease activity indices, and their components

DAS28-ESR

<0.0001

0.196

0.0004

0.309

<0.0001

DAS28-CRP

<0.0001

0.158

0.0017

0.398

<0.0001

SDAI

<0.0001

0.131

0.0046

0.399

<0.0001

CDAI

<0.0001

0.123

0.0059

0.332

<0.0001

SJC, 28 joints, n

<0.0001

0.112

0.0088

0.274

<0.0001

TJC, 28 joints, n

<0.0001

0.104

0.0120

0.333

<0.0001

PtGA, mm

0.0024

0.064

0.0518

0.119

0.0069

PGA, mm

<0.0001

0.121

0.0065

0.371

<0.0001

CRP, mg/dl

0.0138

0.110

0.0098

–

–

ESR, mm/h

<0.0001

0.283

<0.0001

0.350

<0.0001

MMP-3, ng/ml

0.0469

–

–

0.110

0.0098

HAQ-DI

0.0001

0.157

0.0018

0.188

0.0005