Demographic characteristics of lung cancer patients in the H group and non-H group before and after matching.

Abbreviations: CVA, cerebral vascular accident; CKD, chronic kidney disease; HBV, hepatitis B virus; HCV, hepatitis C virus; SES, socioeconomic status; LES, low SES; MES, moderate SES; HES, high SES. Survival times: from the date of diagnosis to death. Matching: propensity-score method. *: the department providing medical care at the last hospitalization. **: health care costs from lung cancer diagnosis to death. Demographic characteristics of lung cancer patients in the H group and non-H group before and after matching.