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Table 3 Cox regression analysis for two-year mortality

From: Weak cough is associated with increased mortality in COPD patients with scheduled extubation: a two-year follow-up study

 

Overall cohort

Discharged patients

 

Crude HR (95%CI)

Adjusted HR (95%CI)a

Crude HR (95%CI)

Adjusted HR (95%CI)a

CPF, per 10 L/min increase

0.81 (0.76–0.87)

0.84 (0.78–0.91)

0.86 (0.79–0.93)

0.89 (0.81–0.97)

SCSS, per unit increase

0.68 (0.59–0.78)

0.73 (0.62–0.86)

0.72 (0.60–0.86)

0.81 (0.66–0.99)

  1. HR  hazard ratio, CI  confidence interval, CPF  cough peak flow, SCSS  semiquantitative cough strength score
  2. aHR was adjusted by age, sex, Charlson comorbidity index, weaning category and duration of mechanical ventilation before extubation
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Respiratory Research

ISSN: 1465-993X

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