Table 4

Criteria for determination of the true positives (TP), false negatives (FN), false positives (FP) and true negatives (TN) for the microarray results.


Microarray Result using the Fs-test

Positive
Negative

Overall Treatment Effect
FDR p-value < 0.05
FDR p-value > 0.05

AND
OR
Pairwise Comparison with Control*
FDR p-value < 0.05
FDR p-value > 0.05
RT PCR Result


p-value < 0.05 (differentially expressed)
TP
FN
p-value > 0.05 (no change)
FP
TN

* comparison of individual doses against the control

Yauk et al. BMC Genomics 2006 7:266   doi:10.1186/1471-2164-7-266