Table 3 Sensitivities and specificities of different strategies for Lynch Syndrome.

From: Comparisons of screening strategies for identifying Lynch syndrome among patients with MLH1-deficient colorectal cancer

Methods

Lynch

Sporadic

Sensitivities % (95% Confidence Interval)

Specificities % (95% Confidence Interval)

PPVs % (95% Confidence Interval)

NPVs % (95% Confidence Interval)

BRAF wt

23

80

100% (82.2–100%)

7.0% (2.9–15.1%)

22.3% (15.0–31.8%)

100% (51.7–100%)

BRAF mt

0

6

MLH1 methylation (−)

22

47

95.7% (76.0–99.8%)

45.3% (34.7–56.4%)

31.9% (21.5–44.3%)

97.5% (85.3–99.9%)

MLH1 methylation (+)

1

39

BRAF wt + MLH1 methylation (−)

22

46

95.7% (76.0–99.8%)

47.7% (36.9–58.7%)

32.8% (22.1–45.5%)

97.6% (85.9–99.9%)

BRAF mt or/and MLH1 methylation (+)

1

40

RBC (−) + MLH1 methylation (−)

23

59

100% (82.2–100%)

29.1% (20.0–40.0%)

27.4% (18.5–38.4%)

100% (83.4–100%)

RBC (+) or MLH1 methylation (+)

0

27

  1. wt wild-type, mt mutant-type, PPVs positive predictive values, NPVs negative predictive values, RBC the Revised Bethesda Criteria.