. 2015 Aug 10;48(2):561–566. doi: 10.4143/crt.2015.114

Table 4.

Prediction of complete response

	yp CR	yp RD	p-value	κ	α
APCT
yc CR	2	6	0.301	0.042	0.087
yc RD	35	227
Rectal MRI
yc CR	0	0	Not measured^a)
yc RD	8	57
TRUS
yc CR	3	2	0.016	0.238	0.401
yc RD	13	103

CR, complete response; RD, residual disease; APCT, abdomen and pelvic computed tomography; MRI, magnetic resonance imaging; TRUS, trans-rectal ultrasound.

^a)

κ and α statistics could not be measured because rectal MRI failed to predict yc CR.