Table 1.

Analysis of the agreement between T stage according to the imaging modalities used for restaging after neoadjuvant therapy and pathologic T stage after surgery

T stage	Under-stage	Agreement	Over-stage	κ	α	p-value
APCT	41 (15.2)	122 (45.2)	107 (39.6)	0.136	0.380	< 0.0001
Rectal MRI	7 (10.8)	32 (49.2)	26 (40)	0.259	0.514	0.002
TRUS	9 (7.4)	70 (57.9)	42 (34.7)	0.266	0.520	< 0.0001

Values are presented as number (%). APCT, abdomen and pelvic computed tomography; MRI, magnetic resonance imaging; TRUS, trans-rectal ultrasound.