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Table 4 Validity estimates of CDH1, PTGS2, and RASSF1A hypermethylation for discrimination among subtypes of renal cell tumor

From: Quantitative promoter methylation analysis of multiple cancer-related genes in renal cell tumors

Gene

Tumor subtypes discriminated

Sensitivity

Specificity

PPV

NPV

CDH1

ccRCC & pRCC vs. chRCC & oncocytoma

61.3%

91.3%

95.0%

46.7%

PTGS2

ccRCC vs. pRCC, chRCC, & oncocytoma

46.2%

90.9%

88.9%

51.7%

RASSF1A

pRCC vs. ccRCC, chRCC, & oncocytoma

76.9%

75.0%

35.7%

94.7%

  1. ccRCC, clear cell renal cell carcinoma; chRCC, chromophobe renal cell carcinoma; pRCC, papillary renal cell carcinoma; PPV, positive predictive value; NPV, negative predictive value