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Mean of flow-mediated dilation according to different categories of disease severity (see Table 3 for multiple comparisons among COVID-19 categories).
| FMD Mean | SD | 95% CI | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Home care | 12.03 | 4.33 | 11.44 | 12.63 |
| Hospital, No oxygen |
10.62 | 4.66 | 9.69 | 11.56 |
| Hospital, oxygen | 10.31 | 4.55 | 9.57 | 11.05 |
| Hospital, NIV, or ICU | 9.40 | 4.29 | 8.40 | 10.39 |
Legend: CI = confidence interval; FMD = flow-mediated dilation; NIV = non-invasive ventilation; SD = standard deviation.
