Esmée J Grobbee1, Els Wieten1, Bettina E Hansen1, Esther M Stoop1, Thomas R de Wijkerslooth2, Iris Lansdorp-Vogelaar3, Patrick M Bossuyt4, Evelien Dekker2, Ernst J Kuipers1, Manon Cw Spaander1. 1. Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands. 2. Department of Gastroenterology and Hepatology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands. 3. Department of Public Health, Erasmus MC University Medical Center, Rotterdam, The Netherlands. 4. Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands.
Abstract
BACKGROUND: Despite differences between men and women in incidence of colorectal cancer (CRC) and its precursors, screening programs consistently use the same strategy for both genders. OBJECTIVE: The objective of this article is to illustrate the effects of gender-tailored screening, including the effects on miss rates of advanced neoplasia (AN). METHODS: Participants (age 50-75 years) in a colonoscopy screening program were asked to complete a fecal immunochemical test (FIT) before colonoscopy. Positivity rates, sensitivity and specificity for detection of AN at multiple cut-offs were determined. Absolute numbers of detected and missed AN per 1000 screenees were calculated. RESULTS: In total 1,256 individuals underwent FIT and colonoscopy, 51% male (median age 61 years; IQR 56-66) and 49% female (median age 60 years; IQR 55-65). At all cut-offs men had higher positivity rates than women, ranging from 3.8% to 10.8% versus 3.2% to 4.8%. Sensitivity for AN was higher in men than women; 40%-25% and 35%-22%, respectively. More AN were found and missed in absolute numbers in men at all cut-offs. CONCLUSION: More AN were both detected and missed in men compared to women at all cut-offs. Gender-tailored cut-offs could either level sensitivity in men and women (i.e., lower cut-off in women) or level the amount of missed lesions (i.e., lower cut-off in men).
BACKGROUND: Despite differences between men and women in incidence of colorectal cancer (CRC) and its precursors, screening programs consistently use the same strategy for both genders. OBJECTIVE: The objective of this article is to illustrate the effects of gender-tailored screening, including the effects on miss rates of advanced neoplasia (AN). METHODS:Participants (age 50-75 years) in a colonoscopy screening program were asked to complete a fecal immunochemical test (FIT) before colonoscopy. Positivity rates, sensitivity and specificity for detection of AN at multiple cut-offs were determined. Absolute numbers of detected and missed AN per 1000 screenees were calculated. RESULTS: In total 1,256 individuals underwent FIT and colonoscopy, 51% male (median age 61 years; IQR 56-66) and 49% female (median age 60 years; IQR 55-65). At all cut-offs men had higher positivity rates than women, ranging from 3.8% to 10.8% versus 3.2% to 4.8%. Sensitivity for AN was higher in men than women; 40%-25% and 35%-22%, respectively. More AN were found and missed in absolute numbers in men at all cut-offs. CONCLUSION: More AN were both detected and missed in men compared to women at all cut-offs. Gender-tailored cut-offs could either level sensitivity in men and women (i.e., lower cut-off in women) or level the amount of missed lesions (i.e., lower cut-off in men).
Entities:
Keywords:
Colorectal cancer; fecal immunochemical test; gender; miss rates; screening
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