https://patch.com/california/encinitas/first-data-published-covid-19-severity-vitamin-d-levels
上图从左至右: Critical 重---------------------------------》 Mild 轻
不同颜色块:表示不同VD具体指标
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Mild - presenting with mild clinical symptoms and no diagnosis of pneumonia(轻症)
Ordinary - presenting with fever, respiratory symptoms, and a confirmed diagnosis of pneumonia (中等)
Severe - cases with hypoxia and respiratory distress (重症)
Critical - cases with respiratory failure requiring intensive care (非常严重---重症监护类)