1 (If you don't know what these, are set them each to 0.5. 2  z is the value that specifies the level of confidence you want in your confidence interval when you analyze your data. 3  Typical levels of confidence for surveys are 95%, in which case z is set to 1.96. 4  E sets the accuracy of your sample proportions.
A hepatobiliary (HIDA) scan is an imaging procedure used to diagnose problems of the liver, gallbladder and bile ducts. For a HIDA scan, also known as cholescintigraphy and hepatobiliary scintigraphy, a radioactive tracer is injected into a vein in your arm.
The MRCP test is known as the Magnetic Resonance Cholangiopancreatography test. The MRCP test is used to generate images of the pancreas, the gall bladder, the bile ducts, the liver and the pancreatic ducts.The MRCP test for gallstones is thus usually recommended for many.he MRCP test is used to generate images of the pancreas, the gall bladder, the bile ducts, the liver and the pancreatic ducts. The MRCP test for gallstones is thus usually recommended for many.