Table 3 Respiratory support after extubation and patient outcomes

Use of noninvasive respiratory support during 48 h after extubation

 NIV, n (%)

39 (11.0)

29 (9.1)

10 (26.3)

0.004

 HFNC, n (%)

90 (25.4)

74 (23.3)

16 (42.1)

0.017

 NIV or HFNC, n (%)

114 (32.1)

93 (29.3)

21 (55.3)

0.003

Patient outcomes

 ICU length of stay, d

7.39 (4.34–12.55)

6.56 (3.95–10.70)

17.12 (12.81–28.23)

< 0.001

 Hospital length of stay, d

44 (28–79)

40 (27–73)

70 (49–127)

< 0.001

 ICU mortality, n (%)

4 (1.1)

3 (0.9)

1 (2.6)

0.365

 Hospital mortality, n (%)

22 (6.2)

18 (5.7)

4 (10.5)

0.275