| SARS-CoV-2 | novel coronavirus |
| CSS | cytokine storm syndrome |
| IVD | invasive ventilator dependence |
| LOINC | Logical Observation Identifiers Names and Codes |
| IRB | institutional review board |
| CCI | Charlson comorbidity index |
| ROC | receiver operating characteristic |
| AUC | area under the curve |
| CI | confidence interval |
| ICC | intraclass correlation |
| CV | cross-validation |
| MPCC | mean percentage of correct classifications |
| SE | standard error |
| PCC | percentages of correct classification |
| R2 | coefficient of determination |