External Validation of an Upgraded AI Model for Screening Ileocolic Intussusception Using Pediatric Abdominal Radiographs: Multicenter Retrospective Study

Jeong Hoon Lee   ^{1 *} , PhD ;   Pyeong Hwa Kim   ^{2 *} , MD, PhD ;   Nak-Hoon Son   ³ , PhD ;   Kyunghwa Han   ⁴ , PhD ;   Yeseul Kang   ⁵ , MD ;   Sejin Jeong   ⁵ , MD ;   Eun-Kyung Kim   ⁵ , MD, PhD ;   Haesung Yoon   ⁶ , MD, PhD ;   Sergios Gatidis   ¹ , MD ;   Shreyas Vasanawala   ¹ , MD, PhD ;   Hee Mang Yoon   ^{2 *} , MD, PhD ;   Hyun Joo Shin   ^{5 *} , MD, PhD

¹ Department of Radiology, Stanford Medicine, Stanford, CA, United States

² Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea

³ Department of Statistics, Keimyung University, Daegu, Republic of Korea

⁴ Department of Radiology, Research Institute of Radiological Science and Center for Clinical Imaging Data Science, Yonsei University College of Medicine, Severance Hospital, Seoul, Republic of Korea

⁵ Department of Radiology, Research Institute of Radiological Science and Center for Clinical Imaging Data Science, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin-si, Gyeonggi-do, Republic of Korea

⁶ Department of Radiology, Research Institute of Radiological Science and Center for Clinical Imaging Data Science, Yonsei University College of Medicine, Gangnam Severance Hospital, Seoul, Republic of Korea

*these authors contributed equally