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Table 2 Results of consecutive Cox regression analyses for mortality in patients with GOLD 0–2 and COPD diagnosis no more than 5 years prior to inclusion

From: Midregional proatrial naturetic peptide (MRproANP) and copeptin (COPAVP) as predictors of all-cause mortality in recently diagnosed mild to moderate COPD—results from COSYCONET

Recently diagnosed mild to moderate COPD

COPAVP

HR for upper quartile

(9.18 pmol/L)

MRproADM

HR for upper quartile

(0.824 nmol/L)

MRproANP

HR for upper quartile

(97.3 pmol/L)

Fibrinogen

HR for upper quartile

(3.22 g/L)

 

HR (95% CI)

P value

HR (95% CI)

P value

HR (95% CI)

P value

HR (95% CI)

P value

Model 1

Unadjusted, only four biomarkers

1.921

(1.025; 3.601)

0.042

1.658

(0.861; 3.191)

0.130

3.684

(1.902; 7.136)

 < 0.001

1.717

(0.929; 3.172)

0.085

Model 2

Four biomarkers adjusted for

COPD characteristics *

2.667

(1.306; 5.447)

0.007

0.758

(0.330; 1.739)

0.512

2.974

(1.364; 6.488)

0.006

1.354

(0.663; 2.768)

0.406

Model 3

Four biomarkers adjusted for COPD characteristics

 + further risk factors **

2.339

(1.077; 5.079)

0.032

0.744

(0.305; 1.814)

0.515

3.053

(1.355; 6.881)

0.007

1.387

(0.667; 2.885)

0.381

Model 4 final

Four biomarkers adjusted for COPD characteristics + further risk factors ** + cardiovascular diseases, troponin & creatinine ***

2.988

(1.111; 8.039)

0.030

1.222

(0.420; 3.556)

0.712

4.491

(1.577; 12.789)

0.005

1.030

(0.397; 2.674)

0.951

  1. The significant p-values are in bold
  2. Hazard ratios are given for the respective biomarkers in the upper quartile versus the three lower quartiles
  3. *Age, BMI, FEV1% predicted, TLCO % predicted, SGRQ total score, 6-min walking distance, ≥ 1 moderate/severe exacerbations in the previous year, smoking status, packyears, hypercapnia (PaCO2 > 55 mmHg), hypoxemia (PaO2 < 60 mmHg)
  4. **All variables of model 2 plus sex, hypertension, diabetes, hyperlipidemia, log HbA1c, and log CRP
  5. ***All variables of model 3 plus heart failure, coronary artery disease, history of myocardial infarction, history of stroke, ankle-brachial index ≤ 0.90, log NT-proBNP, left-ventricular ejection fraction from echocardiography, troponin, creatinine