Data extraction
effusion
EFFUSION
Data collected from the database including (1) baseline characteristics: age (years), gender (male), Race (Black, White, and other), insurance (government, private, and unknown), marital status (divorced, married, separated, single, widowed, and unknown), interventions (vasopressors, mechanical ventilation), and effusion; (2) vital signs: heart rate (bpm), respiratory rate (breaths/minute), temperature (°C), SpO