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. 2010 Nov 27;8:126. doi: 10.1186/1479-5876-8-126

Table 3.

Accuracy, sensitivity, specificity, positive predictive value, and negative predictive value according to Polη IHC counting percent in predicting chemotherapy response to FOLFOX or XELOX regimen

Tumor cell positive percent, cut off Specificity Sensitivity PPV NPV Accuracy
1% 0.419 0.889 0.308 0.929 0.525
2% 0.500 0.889 0.340 0.940 0.588
3% 0.645 0.889 0.421 0.952 0.700
4% 0.823 0.889 0.593 0.962 0.838
5% 0.887 0.889 0.696 0.965 0.888
6% 0.887 0.778 0.667 0.932 0.863
7% 0.978 0.667 0.705 0.904 0.863
8% 0 0.389 1.000 0.849 0.863
9% 0 0.111 1.000 0.795 0.800

PPV, positive predictive value; NPV, negative predictive value.