假设结肠镜检和乙状结肠镜检有相同的分享率，为检测额外的乙状结肠镜检遗漏的1例恶性肿瘤，48次结肠镜检需要被进行。
Assuming the same participation rate at TC as at FS, 48 TCs would be necessary to detect 1 additional advanced neoplasm missed by FS.
乙状结肠镜检可能可以检测出27.3%由结肠镜检发现的基底部恶性肿瘤。
FS would have detected 27.3% of the proximal advanced neoplasms detected at TC.
为检测1例恶性肿瘤，可能需要邀请264位患者进行大便潜血试验，或者60例进行乙状结肠镜检，或者53例患者进行结肠镜检。
To detect 1 advanced neoplasm, it would be necessary to invite 264 people with FIT, 60 with FS, 53 with TC.
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