Compared to the above urine test, if a blood test for glucose correctly identifies 95% of diabetic patients, but gives false-positive results for 10% of non-diabetic patients, then: the blood glucose test has improved sensitivity, but reduced specificity (compared to the urine test) the blood glucose test has improved both sensitivity and specificity (compared to the urine test) the blood glucose test has improved specificity, but reduced sensitivity (compared to the urine test) the blood glucose test has reduced both sensitivity and specificity (compared to the urine test) the blood glucose test has improved neither sensitivity nor specificity (compared to the urine test)
Compared to the above urine test, if a blood test for glucose correctly identifies 95% of diabetic patients, but gives false-positive results for 10% of non-diabetic patients, then: the blood glucose test has improved sensitivity, but reduced specificity (compared to the urine test) the blood glucose test has improved both sensitivity and specificity (compared to the urine test) the blood glucose test has improved specificity, but reduced sensitivity (compared to the urine test) the blood glucose test has reduced both sensitivity and specificity (compared to the urine test) the blood glucose test has improved neither sensitivity nor specificity (compared to the urine test)
Chapter24: Dietary Supplements
Section: Chapter Questions
Problem 17RQ
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Compared to the above urine test, if a blood test for glucose correctly identifies 95% of diabetic
patients, but gives false-positive results for 10% of non-diabetic patients, then:
- the blood glucose test has improved sensitivity, but reduced specificity (compared to the urine test)
- the blood glucose test has improved both sensitivity and specificity (compared to the urine test)
- the blood glucose test has improved specificity, but reduced sensitivity (compared to the urine test)
- the blood glucose test has reduced both sensitivity and specificity (compared to the urine test)
- the blood glucose test has improved neither sensitivity nor specificity (compared to the urine test)
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