Table 2.

Specifics of collected clinical data.

Data groups	Details
Baseline characteristics	Demographic characteristics Symptoms and history Comorbidities and premedications COVID-19 manifestations Microbiological test details
Daily follow-up	Imaging results Respiratory support details Medications and other interventions Employment of best care practices
Outcome	Requirement of oxygenation methods Complications during the follow-up period Hospital and intensive care unit length of stay In-hospital mortality 28-day mortality
Enhanced data point	Daily vital signs Comprehensive physical examination findings Detailed laboratory results Sequential Organ Failure Assessment (SOFA) and Pediatric Logistic Organ Dysfunction (PELOD) scores
Full data	Acute Physiological Assessment and Chronic Health Evaluation (APACHE) II score Electrocardiogram and echocardiography findings and deidentified image upload
Data regarding co-venting patients	Demographics of both patients Detailed ventilator setting information Outcome of both patients
Pediatric-specific data	Functional Status Score (FSS) and Pediatric Risk of Mortality (PRISM) scores