Table.
Criteria for severe or critical coronavirus disease 2019 cases
| Parameter | NIH1 | Wu2 |
|---|---|---|
| Pulmonary | Severe | Severe |
| Respiratory rate >30/min | Respiratory rate >30/min | |
| SpO2 <94% on room air | SpO2 <93% on room air | |
| PaO2 or FiO2 <300 | PaO2 or FiO2 <300 | |
| Lung infiltrates >50% | Lung infiltrates >50% | |
| Critical | Critical | |
| Respiratory failure (mechanical ventilation) | Respiratory failure (mechanical ventilation) | |
| Circulatory | Septic shock | Shock |
| Other | Multiorgan dysfunction | Multiorgan dysfunction |
FiO2, fraction of inspired O2; NIH, National Institutes of Health; PaO2, partial pressure of O2; SpO2, O2 saturation.
Rose. Delivery timing with coronavirus disease 2019 pneumonia. Am J Obstet Gynecol MFM 2021.