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Diagnostic Accuracy of Combined CT and 18F-FDG PET/CT Scan
Sensitivity = 95.2% (20 / 21).
Specificity = 36 / 79 = 45.6%.
Positive predictive value = (20 + 3) / 59 = 39.0%.
Negative predictive value = 43 / 44 = 97.7%.
Accuracy = [(20 + 3) + 43] / 103 = 64.1%.
18F-FDG PET, 18f-fluorodeoxyglucose positron emission.
