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. 2013 Sep 11;42(1):48. doi: 10.1186/1916-0216-42-48

Table 3.

Fisher exact contingency table- permanent section analysis

  (+) Metastasis (−) Metastasis Total  
(+)SLN
43
0
43
PPV = 100.0%
(−) SLN
5
252
257
NPV = 98.1%
Total
48
252
300
 
  Sensitivity = 89.6% Specificity = 100.0%    

(+)SLN sentinel lymph node positive for metastasis; (-)SLN sentinel lymph node negative for metastasis; (+)Metastasis Central compartment sample involved with metastasis;

(-) Metastasis Central compartment sample negative for metastasis.