Fig. 2From: Characteristics, outcome, duration of hospitalization, and cycle threshold of patients with COVID-19 referred to four hospitals in Babol City: a multicenter retrospective observational study on the fourth, fifth, and sixth wavesPercentage of patients admitted to the intensive care unit (ICU) and mortality rate among SARS-CoV-2 PCR-positive (A) and total hospitalizations (B) based on epidemic wavesBack to article page