The heartbreak of home guaiac testing Even medical pros struggle with the more awkward situations involved in routine health care. When I was a kid, there was an annoying commercial on the television ...

The number of colonoscopies needed to detect one person with advanced neoplasia was 5.1 for guaiac-positive patients but only 2.7 for immunochemical-test–positive patients. Colonoscopy revealed ...

We investigated variations in sensitivity of an immunochemical (I-FOBT) and a guaiac (G-FOBT) faecal occult blood test according to type and location of lesions in an average-risk 50- to 74-year-old ...

TESTS for blood in the stool vary in sensitivity; it is generally agreed that the unmodified benzidine test gives a positive reaction if the patient has eaten meat, but the guaiac test is not ...

Feb. 4 -- TUESDAY, Feb. 3 (HealthDay News) -- Newer versions of the stool-based colon cancer tests -- recommended annually for Americans over 50 -- vary widely in their ability to spot potential ...

In many countries, screening for colorectal cancer (CRC) relies on repeat testing using the guaiac faecal occult blood test (gFOBT). This study aimed to compare gFOBT performance measures between ...

This article is intended chiefly as a review of the one contributed by Dr. Whitney to the Boston Medical and Surgical Journal, Jan. 18, 1909, in which it is stated that the guaiac test was not a test ...

In this study, the performance characteristics of the immunochemical test were superior to those of the Hemoccult II guaiac-based test. Note, however, that Hemoccult II is less sensitive than the ...