Table 6 Hospital outcomes in the noninvasive (NPPV) and the conventional mechanical ventilation (CMV) groups

Tracheostomy, n (%)

0 (0)

6 (40.0)

0.008

Hospital mortality, n (%)

3 (20.0)

7 (46.7)

0.121

Complications, n (%)

3 (20.0)

12 (80.0)

0.001

Septic complications, n (%)

3 (20.0)

9 (60.0)

0.025

   Sepsis and septic shock, n (%)

1 (6.7)

5 (33.3)

0.169

   Nosocomial pneumonia, n (%)

2 (13.3)

4 (26.7)

0.651

Non-septic complications, n (%)

0 (0)

3 (20.0)

0.224

   Cardiovascular complications, n (%)

0 (0)

1 (6.7)

1.000

   Acute renal failure, n (%)

0 (0)

1 (6.7)

1.000

   Gastrointestinal bleeding, n (%)

0 (0)

1 (6.7)

1.000

MV length, days median (IQR)

9 (5-12)^a

17 (7-27)^b

0.270

Length of hospitalisation, days mean (SD)

20 (4)^a

27 (21)^b

0.423