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Table 1 Baseline characteristics of patients with or without virus-positive respiratory samples at the time of intubation.

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

 

Virus-positive samples (n = 41)

Virus-negative samples (n = 146)

P value

Age (years)

63.2 ± 16.1

62.9 ± 14.5

0.91

Male

31 (75.6)

103 (70.5)

0.53

Comorbidities

   

   Chronic obstructive pulmonary disease/asthma

16 (39.0)

23 (15.7)

0.0012

   Cardiologic disease

37 (90.2)

124 (84.9)

0.38

   Chronic use of steroids

8 (19.5)

17 (11.6)

0.19

   Neoplasia

2 (4.9)

13 (8.9)

0.53

   Immunosupressive drugs

2 (4.8)

6 (4.1)

1.0

   Neutropenia < 1,000/mm3

0

2 (1.4)

1.0

Community admission

29 (70.7)

98 (67.1)

0.66

Admission between 21 November and 21 March

23 (56.1)

45 (30.8)

0.003

Reason for intensive care unit admission

   

   Respiratory disordera

33 (75.6)

89 (61.0)

0.03

   Septic shock

6 (14.6)

21 (14.4)

1.0

   Cardiogenic shock or cardiac arrest

2 (4.9)

36 (24.7)

0.004

   Comatose

3 (7.3)

24 (16.4)

0.2

   Other

3 (7.3)

15 (10.3)

0.78

Acute Physiology and Chronic Health Evaluation type II score

18.0 ± 9.3

20.9 ± 8.3

0.057

Simplified Acute Physiology Score II

46.8 ± 18.9

51.5 ± 17.3

0.13

Logistic organ dysfunction system

6.8 ± 3.9

7.8 ± 3.8

0.14

  1. Data are presented as the mean ± standard deviation or number (%), when appropriate. aRespiratory distress alone or associated symptoms with another reason for admission.