Journal of gastroenterology and hepatology · 2018
Impact of family history of colorectal cancer on age-specific prevalence of colorectal neoplasia.
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Park Chan Hyuk, Kim Nam Hee, Park Jung Ho, Park Dong Il, Sohn Chong Il, Jung Yoon Suk
Аннотация
BACKGROUND AND AIM: There are no established guidelines on screening strategies for persons with a family history of colorectal cancer (CRC) in Korea. We aimed to evaluate the age-specific risk of colorectal neoplasia according to family history of CRC.
METHODS: Participants who underwent screening colonoscopy were included. Age-specific prevalence of non-advanced adenoma (NAA) and advanced colorectal neoplasia (ACRN) was calculated according to family history of CRC.
RESULTS: Among 35 997 participants, 1339 (3.7%) had a family history of CRC in first-degree relatives. A family history of CRC was an independent risk factor for NAA (adjusted odds ratio [AOR] 1.33, 95% confidence interval [CI] 1.16-1.52). In the subgroup analysis by age, family history of CRC was a risk factor for NAA in the 50-59 and ≥ 60 years groups (AOR [95% CI]: 1.42 [1.04-1.91] and 2.33 [1.34-4.09], respectively), but not in the 30-39 and 40-49 years groups. In the curve of age-specific prevalence of NAA, the gap of the prevalence between the family history and non-family history groups began to widen after the mid-50s. In cases of ACRN, a family history of CRC was not a risk factor in the entire age group (AOR 1.16, 95% CI 0.75-1.70). In the curve of age-specific prevalence of ACRN, however, the gap of the prevalence between the family history and non-family history groups began to widen after the early 60s.
CONCLUSION: Although a family history of CRC is a risk factor for NAA, it may affect NAA development from the mid-50s and ACRN development from the early 60s.
METHODS: Participants who underwent screening colonoscopy were included. Age-specific prevalence of non-advanced adenoma (NAA) and advanced colorectal neoplasia (ACRN) was calculated according to family history of CRC.
RESULTS: Among 35 997 participants, 1339 (3.7%) had a family history of CRC in first-degree relatives. A family history of CRC was an independent risk factor for NAA (adjusted odds ratio [AOR] 1.33, 95% confidence interval [CI] 1.16-1.52). In the subgroup analysis by age, family history of CRC was a risk factor for NAA in the 50-59 and ≥ 60 years groups (AOR [95% CI]: 1.42 [1.04-1.91] and 2.33 [1.34-4.09], respectively), but not in the 30-39 and 40-49 years groups. In the curve of age-specific prevalence of NAA, the gap of the prevalence between the family history and non-family history groups began to widen after the mid-50s. In cases of ACRN, a family history of CRC was not a risk factor in the entire age group (AOR 1.16, 95% CI 0.75-1.70). In the curve of age-specific prevalence of ACRN, however, the gap of the prevalence between the family history and non-family history groups began to widen after the early 60s.
CONCLUSION: Although a family history of CRC is a risk factor for NAA, it may affect NAA development from the mid-50s and ACRN development from the early 60s.