Characteristics of COVID-19 Patients Who Progress to Pneumonia on Follow-Up Chest Radiograph: 236 Patients from a Single Isolated Cohort in Daegu, South Korea.
Ha Kyung JungJin Young KimMu Sook LeeJi Yeon LeeJae Seok ParkMi Ri HyunHyun-Ah KimYong Shik KwonSang Woong ChoiSung Min MoonYoung Joo SuhPublished in: Korean journal of radiology (2020)
More than a half of COVID-19 patients initially had normal chest radiographs; however, elderly patients (≥ 45 years of age) with abnormal laboratory findings (elevated CRP and low absolute lymphocyte counts) developed pneumonia on follow-up radiographs.