Table 2.
Respiratory function and lung CT scan quantitative data at hospital admission in not vaccinated and fully vaccinated patients
| Total n = 684 |
Not vaccinated n = 580 (84.8%) |
Fully vaccinated n = 104 (15.2%) |
p | |
|---|---|---|---|---|
| Respiratory function | ||||
| Respiratory rate, breaths/min | 22 [18–26] | 22 [8–26] | 19 [18–26] | 0.254 |
| PaO2/FiO2 mmHg | 300 [252–342] | 300 [252–342] | 307 [247–357] | 0.454 |
| PaO2, mmHg | 69 [20–81] | 68 [60–81] | 70 [61–82] | 0.631 |
| PaCO2, mmHg | 33 [30–36] | 33 [30–36] | 33 [30–37] | 0.631 |
| Lung CT scan quantitative data | ||||
| Total gas volume, ml | 2383 [1697–3312] | 2370 [1675–3289] | 2579 [1801–3628] | 0.145 |
| Total lung weight, g | 949 [798–1134] | 954 [802–1149] | 918 [780–1069] | 0.125 |
| Over aerated lung weight, % | 2 [0.6–5.4] | 1.8 [0.5–5.0] | 3.5 [1.5–6.9] | < 0.001 |
| Normally aerated lung weight, % | 60.3 [51.1–67.5] | 60.4 [51.4–67.6] | 59.4 [49.3–66.6] | 0.432 |
| Poorly aerated lung weight, % | 24.8 [18.9–32.5] | 25.2 [19.3–32.8] | 22.5 [17.9–29.5] | 0.043 |
| Not aerated lung weight, % | 8.9 [6.2–14.5] | 8.5 [6–14.1] | 10 [7.3–16.0] | 0.031 |
Continuous variables are expressed as median [IQR] and compared with Mann–Whitney U test.
FiO2 inspired fraction of O2, PaO2 arterial partial pressure of O2, PaCO2 arterial partial pressure of CO2