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논문 기본 정보

자료유형
학술저널
저자정보
Hye-Ran Park (Korea Association of Health Promotion) Eun-Hee Nah (Korea Association of Health Promotion) Jong-Seon Lee (Korea Association of Health Promotion) Seon Cho (Korea Association of Health Promotion)
저널정보
대한임상검사정도관리협회 Journal of Laboratory Medicine And Quality Assurance Laboratory Medicine and Quality Assurance 제43권 제4호
발행연도
2021.12
수록면
190 - 198 (9page)
DOI
10.15263/jlmqa.2021.43.4.190

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Background: The fecal immunochemical test (FIT) is recommended as the first choice for mass colorectal cancer (CRC) screening in the community. The cut-off value can be adjusted according to the target population and colonoscopy resources. We aimed to compare and determine the optimal cut-off value for CRC screening to strike a balance between FIT performance and colonoscopy burden. Methods: This cross-sectional retrospective study consecutively selected subjects who underwent health checkups including FIT and colonoscopy at 16 health-promotion centers in Korea between 2018 and 2019. FIT was performed using an OC-SENSOR PLEDIA (Eiken Chemical Co., Japan). We assessed the test performance in detecting CRC and measured the burden of colonoscopy with different cut-off values of 22 (FIT 22) ng/mL, 50 (FIT 50) ng/mL, and 100 (FIT 100) ng/mL. Results: Among the 90,323 participants, CRC was found in 485 patients (0.54%). From FIT 22 and, FIT 50 to FIT 100, the positivity rate decreased from 4.7% and, 3.6% to 3.1%, and AUC were 0.79, 0.77, and 0.76, respectively. The sensitivity/specificity of FIT 22, FIT 50, and FIT 100 for CRC were 61.9%/95.6%, 57.3%/96.7%, and 54.0%/97.1%, respectively, and their positive predictive value/negative predictive value were 7.0%/99.8%, 8.7%/99.8%, and 9.3%/99.8%, respectively. The number of colonoscopies needed to detect one CRC for FIT 22, FIT 50, and FIT 100 were 14.3, 11.6, and 10.8, respectively. Conclusions: This study presents cut-off values for CRC screening to strike a balance between FIT performance and colonoscopy burden, which could provide information for the cut-off of FIT for CRC in a national cancer screening program.

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