Table 1 Baseline characteristics between success and failure of initial NIV treatment
| Â | NIV with intubation (n=27) | NIV success (n=49) | P Value | |
|---|---|---|---|---|
Age median (IQR), years | 60(47–75) | 70(59–82) | 0.035 | |
Female Sex, N (%) | 15(56) | 20(41) | 0.217 | |
Race, Caucasian (%) | 20(77) | 42(88) | 0.002 | |
PaO2/FiO2 ratio, Mean (SD) | Â | |||
Mean PF ratio | 170 (51) | 192 (50) | 0.088 | |
Lowest PF ratio | 91 (52) | 149 (68) | <0.001 | |
Respiratory rate, mean (SD) | 20 (3) | 20 (3) | 0.769 | |
APACHE III score, median (IQR) | 43(33–55) | 41(29–55) | 0.307 | |
Major indications for NIV, N (%) | ||||
Acute on chronic respiratory disorders | AECOPD | 1(14) | 14(29) | 0.007 |
Asthma | 0 | 1(2) | 0.999 | |
Other | 0 | 1(2) | 0.999 | |
ALI/ARDS | 20(74) | 4(8) | <0.001 | |
Postoperative | 1(14) | 6(12) | 0.999 | |
Congestive heart failure | 2(29) | 10(20) | 0.085 | |
Aspiration | 1(4) | 1(2) | 0.999 | |
Pneumonia | 0 | 2(4) | 0.536 | |