Correlation Analyses of Computed Tomography and Magnetic Resonance Imaging for Calculation of Prostate Volume in Colorectal Cancer Patients with Voiding Problems Who Cannot Have Transrectal Ultrasonography

Table 3

Pearson correlation between TRUS total prostate volume and pre- and post-CT/MRI volume according to the size of prostate volume with a cut-off of 30 gm.

		<30 gm		≥30 gm
		N	Pearson; Correlation	N	Pearson; Correlation
TRUS total prostate volume	1st person Pre-CT volume	13	0.6645	16	0.6142
TRUS total prostate volume	1st person Post CT volume	4	-0.0275	3	-0.5782
TRUS total prostate volume	1st person Pre-MRI volume	31	0.5550	17	0.7382
TRUS total prostate volume	1st person Post MRI volume	8	0.7599	6	0.2966
TRUS total prostate volume	2nd person Pre-CT volume	13	0.6532	16	0.6389
TRUS total prostate volume	2nd person Post CT volume	4	-0.2757	2	-1.0000
TRUS total prostate volume	2nd person Pre-MRI volume	52	0.3192	21	0.6925
TRUS total prostate volume	2nd person Post MRI volume	16	0.4399	10	0.1941