Fig. 2From: Differences in the clinical characteristics and outcomes of COVID-19 patients in the epicenter and peripheral areas of the pandemic from China: a retrospective, large-sample, comparative analysisa Time of illness onset of patients with or without Wuhan-related exposure in the Sichuan cohort; b Time of hospital admission of patient with or without Wuhan-related exposure in the Sichuan cohort; c The ratio of the number of patients without Wuhan-related exposure to cases with Wuhan exposure in the Sichuan cohortBack to article page