Discrepancy of financial burden among elderly visiting a private general hospital in Phnom Penh, Cambodia: A three-year cross-sectional study.

Objectives: This study aims to clarify the financial burden of health on the elderly. Out-of-pocket payment (OOPP) in a major private general hospital in Phnom Penh was considered an indicator of financial burden.

Study Design: This study is a three-year cross-sectional study.