Table 7 Multivariate logistic regression analysis for factors predictors for ILD in scleroderma patients

Age (years)

0.688

3.683

0.031*

1.732

1.235

4.423

Sex

0.247

1.362

0.162

1.682

1.105

2.748

BMI (wt/(ht)^2)

0.368

3.292

0.041*

2.896

1.341

7.696

Disease duration (years)

0.408

0.765

0.961

0.459

0.122

1.137

Esophgeal dysmotility

0.889

0.773

0.611

0.526

0.142

1.211

Raynaud's phenomena

0.289

1.594

0.190

1.968

1.293

3.215

Digital ulceration

0.192

1.293

0.340

1.366

0.974

2.207

Digital gangrene

0.266

1.587

0.294

1.842

1.213

2.893

PAH

1.040

0.904

0.715

0.615

0.166

1.417

MRSS

2.531

2.028

0.049*

1.848

1.452

2.945

ESR (mm/h)

0.349

0.654

0.821

0.392

0.104

0.972

CRP

0.225

1.513

0.398

1.598

1.140

2.582

ANA (IU/ml)

0.177

0.913

0.374

1.362

0.972

2.147

Anti-SCL70 (IU/ml)

0.366

2.547

0.043*

1.943

1.861

3.327

Krebs von den Lungen-6 (U/ml)

1.549

7.353

0.026*

2.822

1.486

5.461

FVC (L)

2.254

8.349

< 0.001**

3.014

1.985

6.068

TLC (L)

0.994

5.736

0.027*

2.712

2.056

6.446

DLCO (L)

0.889

4.710

0.029*

1.740

1.646

4.915

Medsger severity scale

1.272

5.838

0.027*

1.702

1.606

5.177