A Risk Warning Model for Anemia Based on Facial Visible Light Reflectance Spectroscopy: Cross-Sectional Study

Yahan Zhang   ^{1 *} , MS ;   Yi Chun   ^{1 *} , MD ;   Hongyuan Fu   ^{1 *} , MD ;   Wen Jiao   ² , PhD ;   Jizhang Bao   ³ , PhD ;   Tao Jiang   ⁴ , PhD ;   Longtao Cui   ⁴ , PhD ;   Xiaojuan Hu   ⁴ , PhD ;   Ji Cui   ⁴ , PhD ;   Xipeng Qiu   ⁵ , PhD ;   Liping Tu   ⁴ , PhD ;   Jiatuo Xu   ¹ , PhD

¹ Traditional Chinese Medicine College, Shanghai University of Traditional Chinese Medicine, Shanghai, China

² Clinical Research Unit, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, China

³ Department of Hematology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai, China

⁴ Collaborative Innovation Center for Traditional Chinese Medicine Health Services, Shanghai University of Traditional Chinese Medicine, Shanghai, China

⁵ School of Computer Science and Technology, Fudan University, Shanghai, China

*these authors contributed equally