fecal blood造句

• The fecal blood test costs about dlrs 10, said Bond.
• A fecal blood test costs just dlrs 10 to dlrs 25.
• Current tests for colon cancer include fecal blood testing, sigmoidoscopy and colonoscopy.
• The fecal blood tests give false positives 65 percent of the time, Bond noted.
• Only 30 percent of older Americans get an annual fecal blood test, he said.
• The latest attempt to settle the uncertainty compared colonoscopy to a combination of sigmoidoscopy and the fecal blood test.
• The key screening tests, fecal blood testing and sigmoidoscopy, are not widely used, so early detection is probably not the reason.
• Their first result was published in 1993, showing that people who had the fecal blood test had a 33 percent reduction in their death rate from colon cancer.
• The fecal blood test was positive in only 24 percent of those cases, the " sigmoidoscopy " identified 70 percent of the tumors and growths, and the two combined identified 76 percent.
• "Those are values much higher than detection rates by fecal blood testing and conventional sigmoidoscopy, " which involves a flexible tube inserted in the rectum to examine the first 10 to 12 inches of the intestine.
• Besides the fecal blood test, doctors detect it by performing colonoscopies, in which a flexible scope is used to examine the entire colon, and sigmoidoscopies, in which a scope is used to examine the lower part of the colon, where most cancers occur.
• The fecal blood test is cheap, costing $ 10 to $ 20 as compared with $ 150 to $ 500 for a sigmoidoscopy, $ 1, 000 to $ 1, 500 for a colonoscopy, and $ 300 to $ 500 for a barium enema.
• Elderly Americans suffering from various types of cancers, the study found, are likely to have their cancers detected earlier than those relying on private doctors if they are enrolled in HMOs that cover routine screenings like mammograms, Pap smears, fecal blood tests and annual checkups.
• In the new study, there were 417 cases of the cancer among 15, 532 people who were offered annual fecal blood tests; 435 cancer cases among 15, 550 people offered the test every other year; and 507 cases among the 15, 363 people who did not have the test _ a 20 percent reduction in the cancer rate among those who were offered the screening test.