Table 2 Main outcomes
NIV group (n = 102) | Control group (n = 98) | p value | |
|---|---|---|---|
Need for intubation, no. (%) | 11 (10.8) | 9 (9.2) | 0.71 |
Intubation, no. (%) | 9 (8.8) | 7 (7.1) | 0.66 |
Duration to intubation, days, mean (SD) | 4.7 (6.7) | 2.6 (2.9) | 0.38 |
Reason for intubation | |||
PaO2/FiO2 at intubation, mmHg, mean (SD) | 120.0 (41.9) | 147.6 (35.7) | 0.13 |
RR at intubation, bpm, mean (SD) | 43.8 (7.2) | 39.4 (3.6) | 0.13 |
Patients RR > 35 bpm at intubation, no. (%) | 10 (90.9) | 8 (88.9) | 1.00 |
Patients’ pH < 7.35 at intubation, no. (%) | 4 (36.4) | 1 (11.1) | 0.32 |
Kelly score > 3 at intubation, no. (%) | 4 (36.4) | 3 (33.3) | 1.00 |
Accessory respiratory muscle, no. (%) | 8 (72.7) | 6 (66.7) | 1.00 |
Mortality | |||
Death in hospital, no. (%) | 7 (6.9) | 7 (7.1) | 0.95 |
Death in ICU, no. (%) | 7 (6.9) | 7 (7.1) | 0.72 |
Death of intubated patients, no. (%) | 7 (63.6) | 7 (77.8) | 0.64 |
Days of intensive care, days, mean (SD) | 11.4 (7.5) | 8.6 (5.3) | 0.22 |
Days of hospital, days, mean (SD) | 16.5 (9.4) | 17.2 (10.3) | 0.65 |
Cost for hospitalization, RMB, mean (SD) | 47,273 (40965) | 60,115 (68418) | 0.11 |
Complications | |||
Hospital-acquired infection, no. (%) | 7 (6.9) | 4 (4.1) | 0.39 |
Hospital-acquired pneumonia | 4 (3.9) | 2 (2.0) | 0.68 |
Catheter-related infection | 2 (2.0) | 1 (1.0) | 1.00 |
Organ failure, no. (%) | 8 (7.8) | 13 (13.3) | 0.21 |
Renal failure | 3 (2.9) | 4 (4.1) | 0.72 |
Cardiovascular failure | 4 (3.9) | 8 (8.2) | 0.21 |
Hepatic failure | 4 (3.9) | 4 (4.1) | 1.00 |
Hematologic failure | 5 (4.9) | 4 (4.1) | 1.00 |
Central nervous system failure | 1 (1.0) | 2 (2.0) | 0.62 |