Rectal Tumour Staging with Endorectal Ultrasound: Is There Any Difference between Western and Eastern European Countries?

Table 3

Accuracy of ERUS for each T stage after neoadjuvant therapy ( = 33).

	yuT1	yuT2	yuT3
uT-pT correspondence (kappa coefficient)	0.218	0.415	0.525
Sensitivity	20%	67%	82%
Specificity	96%	83%	63%
PPV	50%	60%	70%
NPV	87%	87%	77%