From: Inhaled nitric oxide for critically ill Covid-19 patients: a prospective study
Variables | Non-responder (n = 12) | Responder (n = 22) | P value |
---|---|---|---|
PaCO2 (mmHg) | |||
Baseline | 49 [36–56] | 48 [42–60] | 0.363 |
After iNO | 47 [42–60] | 47 [38–52] | 0.444 |
P value before/after iNO | 0.581 | 0.067 | |
PaO2 (mmHg) | |||
Baseline | 134 [80–160] | 65 [58–86] | < 0.0001 |
After iNO | 72 [68–108] | 92 [73–131] | 0.110 |
P value before/after iNO | < 0.009 | < 0.0001 | |
PaO2/FiO2 | |||
Baseline | 134 [83–173] | 70 [63–100] | < 0.0001 |
After iNO | 125 [92–144] | 144 [107–175] | 0.068 |
P value before/after iNO | 0.005 | < 0.0001 | |
FiO2 | |||
Baseline | 0.8 [0.7–0.9] | 0.95 [0.7–1.0] | 0.168 |
After iNO | 0.75 [0.65–0.90] | 0.70 [0.6–0.8] | 0.557 |
P value before/after iNO | 0.399 | 0.002 | |
PEEP (cmH20) | |||
Baseline | 12 [10–12] | 12 [9–15] | 0.790 |
After iNO | 12 [10–13] | 13 [9–15] | 0.486 |
P value before/after iNO | 1.000 | 0.337 | |
Driving pressure (cm H20) | |||
Baseline | 15 [14–17] | 16 [14–17] | 0.209 |
After iNO | 14 [13–16] | 13 [13–16] | 1.000 |
P value before/after iNO | 0.221 | 0.098 | |
RS compliance (ml cmH20−1) | |||
Baseline | 30.0 [21.8–36.7] | 26.6 [20.2–31.8] | 0.534 |
After iNO | 33.9 [24.7–37.0] | 30.0 [22.1–33.4] | 0.407 |
P value before/after iNO | 0.345 | 0.073 | |
ACP, n (%) | 4 (33) | 6 (27) | 0.714 |
Prone positioning after iNO, n (%) | 7 (58) | 0 (0) | < 0.0001 |
CT scan features | |||
GGO | 10 (83) | 20 (91) | 0.602 |
Consolidation | 6 (50) | 14 (64) | 0.487 |
ICU mortality, n (%) | 5 (42) | 8 (36) | 1.000 |