Multimodal GPT-5 for Predicting Poor Functional Outcomes After Intracerebral Hemorrhage in the Emergency Department: Validation Study

Koutarou Matsumoto   ^{1, 2} , MPH, PhD ;   Kazuaki Ishihara   ³ , MS ;   Ryota Tamba   ⁴ , MS ;   Yusuke Fujiyoshi   ⁵ , MS ;   Koki Tokunaga   ⁶ , MS ;   Katsuhiko Matsuda   ⁷ , MS ;   Yasunobu Nohara   ⁸ , PhD ;   Jenhui Chen   ³ , PhD ;   Shigeo Yamashiro   ⁹ , MD, PhD ;   Naoki Nakashima   ^{10, 11} , MD, PhD ;   Masahiro Kamouchi   ^{1, 12} , MD, PhD

¹ Department of Health Care Administration and Management, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

² Institute for Medical Information Research and Analysis, Saiseikai Kumamoto Hospital, Kumamoto, Japan

³ Department of Computer Science and Information Engineering, Chang Gung University, Taoyuan, Taiwan

⁴ Graduate Degree Program of Applied Data Sciences, Sophia University, Tokyo, Japan

⁵ Joint Graduate School of Mathematics for Innovation, Kyushu University, Fukuoka, Japan

⁶ Department of Pharmacy, Saiseikai Kumamoto Hospital, Kumamoto, Japan

⁷ Department of Radiology, Saiseikai Kumamoto Hospital, Kumamoto, Japan

⁸ Big Data Science and Technology, Faculty of Advanced Science and Technology, Kumamoto University, Kumamoto, Japan

⁹ Division of Neurosurgery, Saiseikai Kumamoto Hospital, Japan

¹⁰ Medical Information Center, Kyushu University Hospital, Fukuoka, Japan

¹¹ Department of Medical Informatics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan

¹² Center for Cohort Studies, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan