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Table 5 Correlation between US7 score and laboratory investigation and DAS

From: Hematological markers and ultrasound 7-joint inflammation score as add-on tools in the assessment of inflammation in rheumatoid arthritis patients

 

US7 score

GSUS

PDUS

Erosion

Synovitis

Tenosynovitis

Synovitis

Tenosynovitis

R

P

rs

P

rs

P

rs

P

rs

P

PDW (fl)

0.022

0.872

− 0.007

0.961

− 0.052

0.707

0.043

0.757

− 0.053

0.706

MPV (fl)

− 0.029

0.834

0.014

0.917

0.102

0.462

0.034

0.809

0.037

0.788

RDW (%)

0.196

0.155

0.106

0.444

0.201

0.144

0.127

0.359

0.191

0.167

NLR

0.067

0.628

0.225

0.103

0.113

0.416

0.280*

0.041*

0.150

0.279

PLR

0.141

0.308

0.207

0.133

0.201

0.146

0.240

0.081

0.146

0.291

ESR (mm/h)

0.506*

<0.001*

0.295

0.031

0.626*

<0.001*

0.422*

0.001*

0.035

0.799

CRP (mg/dl)

0.214

0.120

0.137

0.322

0.271*

0.047*

0.176

0.204

0.082

0.555

DAS28 ESR

0.543*

<0.001*

0.390*

0.004*

0.523*

<0.001*

0.519

<0.001*

0.112

0.420

DAS28 CRP

0.453*

0.001*

0.365*

0.007*

0.421*

0.002*

0.470*

<0.001*

0.145

0.295

  1. r Pearson coefficient, rs Spearman coefficient
  2. PDW Platelet distribution width, MPV Mean platelet volume, RDW Red cell distribution width, NLR Neutrophil lymphocyte ratio, PLR Platelet lymphocyte ratio, ESR Erythrocyte sedimentation rate, CRP C reactive protein, DAS Disease activity score, GSUS Grayscale ultrasound, PDUS Power Doppler ultrasound, US Ultrasound
  3. *Statistically significant at P≤ 0.05, P value ≤0.01: highly significant