Table 6 Correlation between 7-joint ultrasound score and different parameters in RA

Disease duration

r_s

-0.150

-0.089

0.101

0.007

0.535^*

0.145

P

0.529

0.709

0.671

0.976

0.015^*

0.542

DAS28

r_s

0.024

-0.265

0.175

-0.239

-0.077

-0.059

P

0.922

0.259

0.534

0.309

0.747

0.805

HAQ score

r_s

-0.210

0.005

0.057

-0.013

0.334

0.077

P

0.373

0.982

0.812

0.955

0.151

0.746

PGA

r_s

-0.349

-0.111

0.208

0.321

-0.082

-0.172

P

0.132

0.640

0.379

0.168

0.731

0.469

Pain –VAS

r_s

-0.349

-0.111

0.208

0.321

-0.082

-0.172

P

0.132

0.640

0.379

0.168

0.731

0.469

ESR 1st hr

r_s

0.015

-0.090

-0.087

0.136

-0.336

-0.024

P

0.951

0.707

0.717

0.569

0.147

0.919

CRP

r_s

-0.241

-0.065

-0.369

-0.306

-0.093

-0.206

P

0.305

0.784

0.110

0.189

0.695

0.385

RF

r_s

0.176

0.365

0.525^*

0.346

0.377

0.443

P

0.459

0.114

0.017^*

0.135

0.101

0.051

ACPA

r_s

0.459^*

0.627^*

0.675^*

0.554^*

0.402

0.666^*

P

0.042^*

0.003^*

0.001^*

0.011^*

0.079

0.001^*

Serum OPN

r_s

0.323

-0.003

-0.092

0.169

0.179

0.342

P

0.165

0.991

0.699

0.475

0.450

0.141

Serum OPG

r_s

0.512^*

0.323

0.160

0.136

0.138

0.509^*

P

0.021^*

0.165

0.500

0.569

0.562

0.022^*