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Table 4 Quantitative classification of echographic interstitial syndrome between the different groups: clinically mild bronchiolitis vs. moderate-severe bronchiolitis; infants in need of oxygen supplementation vs infants in no need of oxygen supplementation

From: Lung ultrasound: a useful tool in diagnosis and management of bronchiolitis

LUS data

Mild

Moderate

χ2 test

p

Oxygen

Oxygen

χ2 test

P

Severe

 

No

Yes

Less than 6 bilaterally involved intercostal spaces in the posterior and paravertebral area of the lung

61/76

3/30

44.3

0.00

61/77

3/29

41.7

0.00

(80 %)

(10 %)

  

(79 %)

(10 %)

6 to 12 bilaterally involved intercostal spaces in the posterior and paravertebral area of the lung

15/76

18/30

16.2

 

16/77

17/29

14

0.00

(20 %)

(60 %)

 

0.00

(21 %)

(59 %)

Up to 12 bilaterally involved intercostal spaces, in the posterior and paravertebral area of the lung

0/76

9/30

24.9

0.00

0/77

9/29

26.1

0.00

(0 %)

(30 %)

  

(0 %)

(31 %)