[PAO4-1] An analysis of calculation of the SMR of cancer operations using the NDB (National Database of Health Insurance Claims and Specific Health Checkups of Japan)

*Kanno Saho¹, Tatsuya Noda¹, Yuichi Nishioka¹, Shinichiro Kubo¹, Tomoya Myojin¹, Tomoaki Imamura¹ (1. Department of Public Health, Health Management and Policy, Nara Medical University )