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Table 3 Risk factors for virus-positive respiratory samples at the time of intubation in 187 patients.

From: Epidemiology and clinical outcome of virus-positive respiratory samples in ventilated patients: a prospective cohort study

 

Adjusted odds ratio (95% confidence interval)a

P value

Chronic obstructive pulmonary disease/asthma

3.0 (1.3–6.7)

0.01

Admission between 21 November and 21 March

2.8 (1.3–5.9)

0.008

Respiratory disorder

2.1 (0.8–5.1)

0.12

Acute Physiology and Chronic Health Evaluation type II score <20

2.0 (0.9–4.3)

0.09

  1. aMultivariate stepwise logistic regression of factors associated with positive respiratory samples. Odds ratio > 1 indicates an increased probability of positive respiratory samples. c-index = 0.73
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Critical Care

ISSN: 1364-8535