Death (N = 16) | Survival (N = 64) | P | |
---|---|---|---|
sedoanalgesiab | 3(19%) | 38 (59%) | 0.004 |
Agec, years | 72.5(50.75 ~ 84) | 71.5(59.75 ~ 81) | 0.838 |
Maleb | 10 (63%) | 45 (70%) | 0.558 |
APACHEII at ICU admissiona | 19.63 ± 7.27 | 18.34 ± 6.56 | 0.496 |
APACHEII before extubationa | 12.25 ± 5.71 | 10.42 ± 4.25 | 0.156 |
NIPPV before mechanical ventilationb | 5(31%) | 17(27%) | 0.758 |
Diagnosis | |||
Pneumoniab | 13(81%) | 36(56%) | 0.066 |
AECOPDb | 1(6%) | 24(38%) | 0.016 |
Otherb | 2(13%) | 4(6%) | 0.396 |
Interface | 0.657 | ||
Oral-nasal maskb | 14(88%) | 58(91%) | |
Nasal maskb | 2(12%) | 6(9%) | |
Before extubation | |||
OIa | 248.54 ± 65.82 | 244.28 ± 73.31 | 0.833 |
pHa | 7.44 ± 0.02 | 7.44 ± 0.04 | 0.588 |
PaCO2 a, mmHg | 43.68 ± 9.83 | 50.21 ± 10.83 | 0.031 |
Body temperaturea | 36.95 ± 0.50 | 36.79 ± 0.46 | 0.211 |
SBPa, mmHg | 132.50 ± 12.03 | 140.22 ± 22.09 | 0.065 |
DBPa, mmHg | 73.19 ± 8.83 | 74.17 ± 12.59 | 0.719 |
RRa, bpm | 23.19 ± 6.96 | 21.17 ± 5.13 | 0.196 |
HRa, bpm | 104.00 ± 18.86 | 103.41 ± 16.38 | 0.900 |
Arterial blood gases half an hour after NIPPV initiated | |||
OIa | 225.90 ± 242.66 | 251.93 ± 264.81 | 0.698 |
pHa | 7.43 ± 0.04 | 7.44 ± 0.05 | 0.458 |
PaCO2 a, mmHg | 44.86 ± 8.80 | 51.93 ± 13.15 | 0.045 |
IPAPmaxa, cmH2O | 12.44 ± 2.56 | 12.98 ± 2.40 | 0.423 |
EPAPmaxa, cmH2O | 5.38 ± 1.15 | 5.53 ± 1.04 | 0.600 |
RASS | 0.284 | ||
-2 to 0 pointsb | 2(13%) | 16(25%) | |
1 to 2 pointsb | 14(87%) | 48(75%) |