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Table 3 Variables associated with Length of Stay

From: Predictors of outcome of noninvasive ventilation in severe COPD exacerbation

Variable

Univariable analysis

Multivariable analysis

 

r

p

b

95%CI

p

dNIV-72 h

0.510

p < 0.001

0.13

0.04–0.21

0.003

dNIV-48 h

0.381

p < 0.001

   

Days of NIV

0.542

p < 0.001

0.68

0.31–1.05

< 0.001

  1. Legend:
  2. dNIV-48 h / -72 h = duration of NIV in hours in the first 24 h, 48 h and respectively 72 h
  3. Days of NIV = number of days with non-invasive ventilation
  4. r correlation coefficient; b regression coefficient; 95%CI 95% confidence interval
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BMC Pulmonary Medicine

ISSN: 1471-2466

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