Table 2 The clinical outcomes of critically ill patients with COVID-19 after Propensity score matching
Outcomes | Number of outcomes/Total number of patients | Hazard Ratio (HR) (95%CI) | p-value$ | ||
|---|---|---|---|---|---|
Control | iNO | p-value | |||
30-day mortality, n (%)∆ | 44 (36.1) | 41 (73.2) |  < 0.0001^^ | 1.18 (0.77, 1.82) | 0.45 |
In-hospital mortality, n (%)∆ | 52 (41.6) | 44 (78.6) |  < 0.0001^^ | 1.40 (0.94, 2.11) | 0.10 |
| Â | Â | Â | Â | Beta coefficient (estimates) (95%CI) | p-value $* |
|---|---|---|---|---|---|
Ventilator-free days, mean (SD) | 12.0 (11.23) | 3.8 (7.38) |  < 0.001* | − 1.17 (− 1.79, − 0.54) |  < 0.001 |
ICU length of stay (days), median (Q1,Q3)∞ | 12.0 (8.0, 19.0) | 26.0 (19.0, 35.5) |  < 0.001^ | 0.63 (0.32, 0.95) |  < 0.001 |
Hospital length of stay (days), median (Q1,Q3)∞ | 21.0 (13.0, 31.0) | 36.0 (28.0, 65.5) | 0.002^ | 0.45 (0.04, 0.87) | 0.03 |