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Abstract: Introduction: As the population of patients with lung cancer increases, the expenditure on lung cancer treatment will become a huge economic burden in many countries. To support public health services for the treatment of lung cancer, the calculation of lung cancer-specific costs is important. Methods: This study included newly diagnosed 76 lung cancer patients who had survived for at least 5 years after the diagnosis in a tertiary care hospital in South Korea. Direct medical costs were calculated from health care claims obtained from Seoul National University Hospital, which included out-of-pocket expenditures. Direct non-medical and indirect costs were calculated from national statistics. Results: Mean direct medical costs, direct non-medical costs, and indirect costs amounted to $21,321, $6444 and $4943 respectively, based on an exchange rate of Korean Won 1200=US $1. The average cost for treatment of one lung cancer patient for all 5 years was $32,708. This constituted 44.7% of the per capita income during the same 5-year period. Conclusion: The economic burden of lung cancer treatment is significant in Korea. [Copyright &y& Elsevier]

Objectives. To study the epidemiologic details of urolithiasis in Seoul, Korea. The prevalence of urolithiasis varies by different regions in the world and has been reported to be 4% to 15%.Methods. A total of 2643 persons 40 to 79 years old living in Seoul were selected by stepwise random sampling. Questionnaires were used and completed by trained interviewers concerning whether the subjects had experienced urinary stone disease at any time in their life.Results. Of 2643 persons interviewed, 65 experienced 78 episodes of urinary stone formation in their lifetime. Calibrated after the Seoul population census, the overall standardized lifetime prevalence rate was estimated to be 3.5%, 6.0% in men and 1.8% in women. The point prevalence rate was estimated to be 0.9%, 1.9% in men and 0.3% in women. Most of the urinary stone diseases were diagnosed at the fifth decade. Kidney stones in family members were present in 8.1% of patients with stones and 4.1% of stone-free control individuals. Twenty percent of the patients with stones experienced recurrences.Conclusions. In this first systematically assessed epidemiologic survey about the rate of urolithiasis in Korea, 6.0% of Korean men and 1.8% of women are expected to experience urinary stone disease during their lifetime. [Copyright &y& Elsevier]