Fig. 6From: Clinical and CT findings of COVID-19: differences among three age groupsStacked bars show the distribution of number of lesions on CT images for three age groups. Patients were grouped by age: (Group 1: < 40 years old; n = 104), (Group 2:40 ≤ age < 60 years old; n = 137), (Group 3: ≥ 60 years old; n = 66)Back to article page