Overexpression of nuclear β-catenin in rectal adenocarcinoma is associated with radioresistance

Table 3 Predictive value of nuclear β-catenin as a marker of radioresistance in 136 patientsof rectal adenocarcinoma

Nuclearβ-catenin expression	Good response	Poor response
≤ 50%	15%	50%
> 50%	3%	68%
Accuracy		83%
Sensitivity		65%
Specificity	88%
Positive predictive value		79%
Negative predictive value	48%