Pneumonia in newly diagnosed patients infected with the Omicron variant: a population-based study of Chinese patients in Chongqing.

Background: Pneumonia is the main complication of the Omicron variant of SARS-CoV-2; however, the incidence proportions and prognostic factors for Omicron-associated pneumonia have not been established. We conducted this study to characterise the incidence proportions and influence of various factors on prognosis of Omicron-associated pneumonia.

Methods: We collected data from 714 patients infected with the Omicron variant in The First Affiliated Hospital of Chongqing Medical University (Chongqing, China) who were divided into different groups for analysis.

Occurrence and prognosis of lung cancer metastasis to major organs: a population-based study.

Background: Lung cancer metastasis to major organs is an important factor affecting survival. We analyzed the influence of patient characteristics on the incidence and survival of metastasis to major organs.

Methods: We collected data from the Surveillance, Epidemiology, and End Results database on 58 659 patients diagnosed with stage IV primary lung cancer, including age, sex, race, histological type of tumor, laterality, primary site, number of extrametastatic sites, and treatment.