Table 5 Late outcome of infant patients with bronchiolitis using high-flow nasal cannula.

From: ROX index as a predictor of failure of high-flow nasal cannula in infants with bronchiolitis

 

Total

(n = 102)

Outcome

p value

Failure (n = 18)

Success (n = 84)

Time of use of HFNC (hours)

0.008#

 Median (Q1; Q3)

57.0 (37.3; 81.5)

22.3 (8.0; 76.0)

63.0 (41.4; 82.2)

 

Duration of respiratory support (hours)

< 0.001#

 Median (Q1; Q3)

87.3 (50.8; 134.1)

135.0 (98.5; 209.1)

78.7 (42.5; 116.7)

 

Length of ICU (days)

< 0.001#

 Median (Q1; Q3)

4.6 (3.6; 6.5)

7.5 (5.0; 12.0)

4.3 (3.4; 5.6)

 

Length of hospital stay (days)

< 0.001#

 Median (Q1; Q3)

6.0 (4.1; 8.0)

9.1 (6.4; 13.3)

5.2 (4.0; 7.5)

 
  1. HFNC, high flow nasal cannula; ICU, intensive care unit.
  2. Time of use of HFNC (hours): time of use of HFNC from installation until removal (installation of conventional oxygen therapy or room air in the success group and installation of NIV or IMV in the failure group.
  3. Duration of respiratory support (considered the period of use in the HFNC, NIV/IMV and conventional oxygen therapy).
  4. Q1: first quartile; Q3: third quartile; n: number of patients; #Mann‒Whitney tests.
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