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Table 7 Cox proportional hazard regression analysis for aorta-related mortality

From: Long-term outcomes of intervention between open repair and endovascular aortic repair for descending aortic pathologies: a propensity-matched analysis

Variable

Overall series

After matching

Univariate

Multivariate

Univariate

Multivariate

HR (95% CI)

p-value

HR (95% CI)

p-value

HR (95% CI)

p-value

HR (95% CI)

p-value

Age > 80 years

5.9 (1.3–25.9)

0.018

16.7 (2.7–104.3)

0.002

9.9 (1.2–83.4)

0.031

24.0 (1.5–378.1)

0.024

SBP < 90 mmHg

2.9 (0.9–8.9)

0.058

6.0 (1.6–22.4)

0.008

2.6 (0.5–13.3)

0.241

  

Hemoptysis

2.5 (0.9–7.0)

0.077

  

5.2 (1.2–22.0)

0.023

  

Dissection

0.7 (0.3–1.4)

0.356

  

0.4 (0.0–3.3)

0.392

  

Pseudoaneurysm

1.4 (0.7–2.6)

0.333

  

2.8 (0.3–23.2)

0.329

  

Arch involvement

3.5 (1.4–8.7)

0.007

5.4 (1.8–16.1)

0.002

5.1 (1.3–20.9)

0.022

14.5 (1.0–211.5)

0.048

Maximal aortic size > 50 mm

3.1 (0.9–10.8)

0.068

  

3.8 (0.5–31.9)

0.200

  

Malperfusion

2.3 (0.5–10.1)

0.210

  

5.2 (0.6–43.9)

0.128

  

Chronic renal failure

7.0 (2.4–20.3)

0.000

5.7 (1.2–26.8)

0.027

8.4 (1.5–46.7)

0.015

  

eGFR

1.2 (1.1–1.3)

0.001

  

1.1 (0.9–1.5)

0.211

  

Diabetes

2.8 (1.0–7.8)

0.047

3.1 (0.9–10.7)

0.049

4.2 (0.8–20.9)

0.080

  

COPD

2.7 (0.6–11.9)

0.178

  

0.1 (0.0–34.8)

0.654

  
  1. HR hazard ratio, CI confidence interval, SBP systolic blood pressure, eGFR estimated glomerular filtration rate, COPD chronic obstructive pulmonary disease
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