The false positive rate was 8.6% (12 of 140 patients with positive results), and while the test result was positive in 22 of 26 colonic cancers the false negative rate for rectal cancer (45.4%) should not detract from its value as a screening test if proper digital anorectal and procto...
Data are presented on the sensitivity, specificity, and positive predictivity of the Hemoccult test based on the experience of the Minnesota Colon Cancer Control Study, a randomized clinical trial to determine whether the use of the Hemo... JS Mandel,JH Bond,M Bradley,... - 《Gastroenterology...
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook Hemoccult [he´mo-kult] trademark for a guaiac reagent strip test for occult blood. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an ...
Sensitivity, Specificity, and Positive Predictivity of the Immunological Fecal Occult Blood Test (RPHA) in Mass Screening for Colorectal Cancers Sensitivity, specificity, and positive predictivity of the Hemoccult test in screening for colorectal cancer: the University of Minnesota's colon cancer. ......
Test sensitivity was 60%, with a 97% specificity and an overall (cancer and precancerous lesions) positive predictive value of 28.3%. In light of published data on the adenoma-cancer relationship, it can be estimated that 6 cancers were avoided.Hemoccult II is an easy to perform low-cost...
Results: Positive results were difficult to detect on Gastroccult slides. Hemoccult slides were falsely positive for solutions containing only iron and falsely negative for blood-spiked samples containing ascorbic acid. Conclusion: Both the Hemoccult and Gastroccult tests may be unreliable in detecting...
All eligible insurees are actively invited to perform a free-of-charge, home-based, faecal occult blood test, using Hemoccult Sensa. All tests with positive results are followed up and information on colonoscopy, surgical procedures and pathology findings is collected. Results During an 18聽month...
False Positive ReactionsRadioimmunoassayOccult BloodAdolescentAdultAgedResults from the guaiac slide or Hemoccult (HO) test for fecal occult blood were compared with quantitative determinations of gastrointestinal loss after intravenous administration of 51 Cr-labeled red cells. Subjects were 80 consecutive ...
Sensitivity, specificity, and positive predictivity of the Hemoccult test in screening for colorectal cancers. The University of Minnesota's Colon Cancer Control Study. Data are presented on the sensitivity, specificity, and positive predictivity of the Hemoccult test based on the experience of the ...
Harmful effects of screening include the psycho-social consequences of receiving a false-positive result, the potentially significant complications of colonoscopy or a false-negative result, the possibility of overdiagnosis (leading to unnecessary investigations or treatment) and the complications associated ...