04-17-2008, 07:06 PM
fecal occult blood test(FOB) screening test is used in 203 people to look for colon cancer.20 pt tested as positive with FOB screening.endoscopic examination later confirmed 2 of the pts have colon cancer.one additional pt who had tested negative fob was also found to have colon cancer.what is the sensitivity of this study?
A)10%
B)100%
C)66%
D)91%
E)99.45%
A)10%
B)100%
C)66%
D)91%
E)99.45%