the comparison of 160 cases and 320 controls tested with those examined by fecal occult blood test has exhibited a decrease to 23.750% in the false negative rate.
对160名病人和320名正常人进行判别的结果与通常采用的大便潜血试验比较,假阴性率降低到23.75%。
fecal occult blood test had a positive rate of 84% and 3 consecutive tests (positive rate 100%) are important rather than one test (positive rate 20%).
粪潜血试验的阳性率为84%,作1次试验的阳性率仅20%,连续3次试验的阳性率为100%。
within the last year, have you had a fecal occult blood test (fobt) or a fecal immunochemical test (fit)?
过去一年内,是否曾接受过大便隐血测试或大便免疫化学测试?
fecal occult blood test every year to detect hidden blood in the stool, a possible sign of colon cancer.
粪便潜血检验每年一次,以检查粪便中是否潜血,粪便潜血是结肠癌的可能徵兆。