Evaluation

Serum AFP

(400 ng/ml)

DCP

(7.5 ng/ml)

AFP + DCP

Sensitivity (%)

51.3%

57.1%

55.6%

Specificity (%)

87.8%

63.4%

95.6%

Positive predictive value (%)

92.8%

76.2%

96.2%

Negative predictive value (%)

49.3%

41.9%

52.3%

False positive rate (%)

12.2%

36.6%

43.5%

False negative rate (%)

48.7%

42.9%

44.4%

Accuracy

64.1%

59.2%

64.9%