. Author manuscript; available in PMC: 2020 Dec 2.

Published in final edited form as: Magn Reson Imaging. 2019 May 3;61:33–40. doi: 10.1016/j.mri.2019.05.003

Table 1.

The demographic information, tumor volume and ADC in different response groups

	pCR	Non-pCR	GR	Non-GR
Pre-treatment (N=45)	N=10	N=35	N=31	N=14
Male:Female	5:5	26:9	21:10	10:4
Mean age (SD)	56.3 (11.1)	59.7 (8.0)	58.0 (9.0)	61.1 (8.1)
Mean tumor volume (SD, cm³)	14.2 (6.0)^*	21.5 (15.8)^*	15.3 (8.7)^‡	28.0 (18.9)^‡
Mean ADC (SD, mm²/s)	0.93 (0.09)	0.95 (0.14)	0.94 (0.14)	0.94 (0.11)
Mid-RT follow-up (N=41)	N=9	N=32	N=27	N=14
Male:Female	5:4	23:9	18:9	10:4
Mean age (SD)	56.4 (11.8)	60.3 (7.9)	58.3 (9.5)	61.9 (7.5)
Mean tumor volume (SD, cm³)	6.6 (4.5)**	11.7 (12.1)**	6.8 (6.1)‡‡	17.7 (14.5)‡‡
Mean ADC (SD, mm²/s)	1.33 (0.16)	1.37 (0.18)	1.36 (0.19)	1.33 (0.15)

The volume is significantly smaller in pCR than in non-pCR (* p=0.009, ** p=0.047)

^‡

The volume is significantly smaller in GR than in non-GR (‡ p=0.01, ‡‡ p=0.03)