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Table 1 Baseline characteristics by treatment allocation

From: Nebulized hypertonic saline 3% for 1 versus 3 days in hospitalized bronchiolitis: a blinded non-inferiority randomized controlled trial

Characteristics

n

Total

HS1d

n = 59

HS3d

n = 57

p-value

Gender (male n, %)

116

76 (65.5)

34 (57.3)

42 (73.7)

0.069

Age in month (mean ± SD)

116

4.2 ± 2.4

4.1 ± 2.5

4.4 ± 2.4

0.427

Gestational age in weeks (mean ± SD)

107

38.8 ± 4.0

38.4 ± 5.5

39.1 ± 1.4

0.378

Birthweight in g (mean ± SD)

116

3340 ± 475

3299 ± 474

3382 ± 477

0.357

Weight in g (mean ± SD)

110

6452 ± 1509

6290 ± 1456

6619 ± 1558

0.24

Environmental smoke exposure (n, %)

116

    

 Current

 

32 (27.6)

17 (28.8)

(26.3)

0.763

 During pregnancy

 

18 (15.5)

9 (15.2)

9 (15.8)

0.916

Personal history of atopy (n, %)

116

13 (11.2)

4 (6.8)

9 (15.7)

0.124

Familial history of atopy (n, %)

116

70 (60.3)

33 (55.9)

37 (64.9)

0.323

Previous episode of bronchiolitis (n, %)

116

14 (12.1)

6 (10.2)

8 (14)

0.523

CSS at randomization (mean ± SD)

116

5.7 ± 1.8

5.8 ± 1.7

5.5 ± 1.8

0.403

Associated treatments at admission (n, %)

116

    

 Inhaled beta2agonists

 

14 (12.1)

9 (15.2)

5 (8.8)

0.284

 Antibiotics

 

33 (28.4)

17 (28.8)

16 (28.1)

0.929

 Paracetamol

 

50 (43.1)

37 (45.8)

23 (40.3)

0.556