Height of Rectal Cancer: A Comparison between Rectoscopic and Different MRI Measurements

Table 1

and median min/max for the four different measurement techniques.

	Rigid rectoscopy	MRI1	MRI2	MRI3
	106	107	107	107
Mean (cm)	7.90	8.30	7.42	9.00
SD (cm)	3.499	3.068	2.707	3.967
Median (cm)	8.00	9.02	7.58	9.71
Min (cm)	0	0	0	0
Max (cm)	15.00	14.68	14.05	21.54