Novel Toilet Paper–Based Point-Of-Care Test for the Rapid Detection of Fecal Occult Blood: Instrument Validation Study

Hsin-Yao Wang   ^{1, 2 *} , MD ;   Ting-Wei Lin   ^{1 *} , MD ;   Sherry Yueh-Hsia Chiu   ^{3, 4} , PhD ;   Wan-Ying Lin   ⁵ , MD ;   Song-Bin Huang   ⁶ , PhD ;   Jason Chia-Hsun Hsieh   ^{7, 8} , MD, PhD ;   Hsieh Cheng Chen   ⁶ , MSc ;   Jang-Jih Lu   ^{1, 9, 10} , MD, PhD ;   Min-Hsien Wu   ^{2, 7, 11, 12} , PhD

¹ Department of Laboratory Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan

² PhD Program in Biomedical Engineering, Chang Gung University, Taoyuan City, Taiwan

³ Department of Health Care Management, College of Management, Chang Gung University, Taoyuan City, Taiwan

⁴ Division of Hepatogastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung City, Taiwan

⁵ Syu Kang Sport Clinic, Taipei City, Taiwan

⁶ Sigknow Biomedical Co Ltd, Taipei City, Taiwan

⁷ Division of Oncology, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan

⁸ Division of Oncology, Department of Internal Medicine, New Taipei Municipal TuCheng Hospital, New Taipei City, Taiwan

⁹ School of Medicine, Chang Gung University, Taoyuan City, Taiwan

¹⁰ Department of Medical Biotechnology and Laboratory Science, Chang Gung University, Taoyuan City, Taiwan

¹¹ Graduate Institute of Biomedical Engineering, Chang Gung University, Taoyuan City, Taiwan

¹² Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City, Taiwan

*these authors contributed equally