Test Result Positive Negative Total True Diagnosis Diabetic 34 116 150 Not Diabetic 20 9,830 9,850 Total 54 9,946 10,000

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Test Result Positive Negative Total True Diagnosis Diabetic 34 116 150 Not Diabetic 20 9 830 9 850 Total 54 9 946 10 000 1 (36.15 KiB) Viewed 16 times

Test Result Positive Negative Total True Diagnosis Diabetic 34 116 150 Not Diabetic 20 9,830 9,850 Total 54 9,946 10,000 Compute the following: Sensitivity: 22.67% Specificity: 99.79% Predicted Value of a Positive Test (PVP): 62.96% When the screening cutoff point was lowered to a blood glucose value of 150 mg/ dl, 98 of 164 persons who then tested positive were among the 9,850 persons judged by diagnostic test not to have diabetes.