Table 4 Initial severity according to type of respiratory intervention
From: The COVID-19 pandemic: the effect on airway Management in non-COVID emergency patients
Age group | Endotracheal tube | Non-invasive ventilation | High-flow nasal cannula | ||||||
|---|---|---|---|---|---|---|---|---|---|
Pre-COVID | COVID | Difference (95%CI) | Pre-COVID | COVID | Difference (95%CI) | Pre-COVID | COVID | Difference (95%CI) | |
Respiratory rate | |||||||||
n = 55 | n = 49 | n = 22 | n = 15 | n = 15 | n = 6 | ||||
Overall | 34.8 + 7.3 | 33.8 + 6.5 | 1.0 (− 1.7, 3.7) | 33.0 + 6.4 | 33.7 + 4.2 | - 0.7 (− 4.5, 3.2) | 32.8 + 8.8 | 40.3 + 6.0 | - 7.5 (−16, 0.7) |
n = 23 | n = 24 | n = 7 | n = 7 | n = 9 | n = 2 | ||||
Age < 70 | 34.1 + 7.2 | 33.7 + 6.0 | 0.4 (−3.5, 4.3) | 32.3 + 8.5 | 32.6 + 3.0 | - 0.3 (− 8.3, 7.7) | 32 (24, 36) | a 32, 40 | – |
n = 32 | n = 25 | n = 15 | n = 8 | n = 6 | n = 4 | ||||
Age > 70 | 35.4 + 7.5 | 34.0 + 7.1 | 1.4 (−2.5, 5.3) | 33.3 + 5.5 | 34.5 + 5.1 | - 1.2 (− 6.1, 3.6) | 33.0 + 6.4 | 42.5 + 7.6 | - 9.5 (− 19, − 0.4) |
SpO2/ FiO2 ratio | |||||||||
n = 55 | n = 49 | n = 22 | n = 15 | n = 15 | n = 6 | ||||
Overall | 390 (306, 433) | 390 (303, 438) | 0 (− 40, 40) | 424 (381, 448) | 376 (294, 448) | - 48 (− 150, 55) | 400 (352, 452) | 398 (232, 419) | - 2 (− 170, 165) |
n = 23 | n = 24 | n = 7 | n = 7 | n = 9 | n = 2 | ||||
Age < 70 | 419 (380, 457) | 369 (287, 424) | - 50 (− 121, 21) | 414 (165, 429) | 429 (371, 457) | - 15 (− 171, 200) | 405 (357, 424) | a 87.8, 419 | – |
n = 32 | n = 25 | n = 15 | n = 8 | n = 6 | n = 4 | ||||
Age > 70 | 374 (166, 429) | 410 (347, 448) | 36 (− 43, 114) | 438 (395, 448) | 301 (264, 433) | - 137 (− 248, − 26) | 400 (352, 452) | 397 (313, 433) | - 3 (− 138, 133) |