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Table 1 Clinical characteristics of patients with acute respiratory failure secondary to bronchiolitis included in the study

From: Respiratory mechanics in infants with severe bronchiolitis on controlled mechanical ventilation

Patient

Age (mo)

Etiology

Comorbidities (1: No = 2: Yes)

PF ratio

PaCO2

OI

PIM2 (%)

Outcome

1

1

RSV

1

280

42

5.6

10.1

Alive

2

1

RSV

1

293

37

4.2

10.1

Alive

3

1

RSV

1

127

112

10.3

5.1

Alive

4

1

RSV

2: PNB 36 week

224

65

4.3

7.5

Alive

5

1

RSV

1

246

67

4.5

1.5

Alive

6

1

RSV

1

208

52

8.1

7.6

Alive

7

2

RSV

1

165

65

7.2

3.5

Alive

8

2

RSV

2:Cardiac Arrest, PNB 32 week

158

140

7.0

19.8

Alive

9

3

RSV

2, PNB 34 week

172

86

8.5

0.6

Alive

10

4

RSV

1

205

91

6.9

5.0

Alive

11

4

RSV

1

270

62

4.9

0.6

Alive

12

5

RSV + Pertussis

1

206

48

7.0

11.9

Alive

13

6

RSV

1

125

71

14.1

17.5

Alive

14

10

RSV

2: PNB 30 week

161

72

8.5

10.1

Alive

15

10

RSV

2:PNB 32 week HMD

80

60

24.9

6.6

Alive

16

11

(−)a

1

133

44

11.1

7.6

Alive

  1. Abbreviations: mo months old, PF ratio PaO2/FIO2 ratio, OI oxygenation index, PIM 2 Pediatric index of mortality 2, RSV respiratory syncytial virus, PNB preterm newborn, HMD hyaline membrane disease
  2. aViral Studies were negative, but pneumococcal superinfection was diagnosed