Systematic Reviews
Copyright ©The Author(s) 2018.
World J Gastroenterol. Jan 7, 2018; 24(1): 124-138
Published online Jan 7, 2018. doi: 10.3748/wjg.v24.i1.124
Table 3 Summarized recommendations for colorectal cancer screening in average risk individuals, published in Asia between 2007 and 2017
ContinentCountry/regionYearAgeScreening tests recommendedRecommendationNote
AsiaSouth Korea2012≥ 50Colonoscopy (at least 5 years) is the priority OR FOBT (FIT) OR CTC OR DCBEColonoscopy (strong recommendation; low-quality evidence) with 5-year interval (weak recommendation; very low-quality evidence). FOBT (strong recommendation; moderate-quality evidence). CTC (strong recommendation; low-quality evidence). DCBE (weak recommendation; low-quality evidence)FS efficacy is recognized, but FS not widely used because it doesn't explore entire colon, might need a colonoscopy after, and FS less preferred by individuals and physicians
China201450-74FOBT (chemical FOBT or FIT) + Questionnaire every 3 yr-
Asia Pacific201550-75FIT (preferred choice) OR FS OR colonoscopy (intervals not mentioned)A for FIT; A for FS; B for colonoscopyFIT is preferred over gFOBT
Saudi Arabia201545-69Colonoscopy (10 yr) is the recommended modality; if not possible: FS (5 yr)+ FIT/gFOBT (1 yr) OR FS (3 yr)Colonoscopy: Strong recommendation; low-quality evidence. FS: Strong recommendation; moderate-quality evidence.FIT is preferred over gFOBT. FOBT used alone is not recommended, but could be used depending on availability of other modalities.
≥ 70Screening not recommendedConditional recommendation; low-quality evidenceScreening for people over 70 could be beneficial in certain cases (depending on health status)