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Table 4 Multivariate Cox’s regression analysis of hemoptysis-free survival

From: Microspheres present comparable efficacy and safety profiles compared with polyvinyl alcohol for bronchial artery embolization treatment in hemoptysis patients

Items

Multivariate Cox’s proportional hazard regression

P value

HR

95% CI

Lower

Higher

Group (microspheres vs. PVA)

0.498

1.360

0.558

3.315

Age (> 60 years)

0.418

1.434

0.600

3.431

Male

0.507

1.469

0.471

4.581

History of smoke

0.973

0.980

0.296

3.241

History of drink

0.878

0.917

0.304

2.765

Etiology (bronchiectasis vs. others)

0.642

0.765

0.247

2.372

Comorbidities (yes vs. no)

0.840

0.914

0.384

2.179

Hemoptysis volume

0.145

1.454

0.879

2.405

Offending vessels

 Bilateral BA

Reference

 Left BA

0.055

3.519

0.973

12.731

 Right BA

0.457

0.569

0.129

2.507

  1. HR hazards ratio, CI confidence interval, PVA polyvinyl alcohol, NTM nontuberculous mycobacterium, BA bronchial artery