Impact of COVID-19 on nursing time in intensive care units in Belgium.

Introduction: The COVID-19 pandemic has had a significant impact on nursing practice in intensive care unit and consequently, on workload.

Objective: To assess the nurse-patient ratio required by COVID-19 patients and to identify the factors that influence nursing in this context.

Design: This study was a retrospective observational study that evaluated the ratio using the Nursing Activities Score (NAS).