Table 3 Rate ratios and predicted MBrixia scores.
From: Chest x-ray imaging score is associated with severity of COVID-19 pneumonia: the MBrixia score
Respiratory support level | All patients | Excluding patients not eligible for mechanical ventilation or ECMO treatment |
|---|---|---|
Rate ratio [95% CI] | Rate ratio [95% CI] | |
No supplemental oxygen | 1 (Reference) | 1 (Reference) |
1–5 L of oxygen/min | 1.75 [1.31–2.33] | 1.90 [1.35–2.69] |
> 5 L of oxygen/min, high flow nasal cannula or non-invasive ventilation | 2.21 [1.65–2.95] | 2.32 [1.64–3.28] |
Invasive mechanical ventilation | 2.38 [1.80–3.14] | 2.56 [1.86–3.54] |
Extracorporeal membrane oxygenation | 2.66 [2.01–3.52] | 2.93 [2.11–4.05] |
Predicted mean score [95% CI] | Predicted mean score [95% CI] | |
|---|---|---|
No supplemental oxygen | 9.58 [7.32–12.54] | 8.71 [6.35–11.95] |
1–5 L of oxygen/min | 16.74 [15.47–18.12] | 16.57 [14.83–18.51] |
> 5 L of oxygen/min, high flow nasal cannula or non-invasive ventilation | 21.13 [19.09–23.38] | 20.19[17.35–23.50] |
Invasive mechanical ventilation | 22.76 [20.94–24.73] | 22.33 [19.77–25.22] |
Extracorporeal membrane oxygenation | 25.49 [23.60–27.54] | 25.49 [23.60–27.54] |
