. Author manuscript; available in PMC: 2016 Dec 19.

Published in final edited form as: Australas Phys Eng Sci Med. 2014;37(3):483–493. doi: 10.1007/s13246-014-0276-7

Table 3.

Quantitative analysis result

	LDCT25%	LDCT50%	SDCT	Processed LDCT50%	Processed LDCT25%
GM SNR	5.99 ± 0.42 ^*	7.97 ± 0.79 ^*	10.92 ±1.29	15.81 ± 2.04 ^*	11.64 ± 0.74
WM SNR	5.28 ± 0.52 ^*	7.38 ± 0.24 ^*	9.99 ± 0.54	13.47 ±1.39 ^*	10.07 ± 0.72
CSF SNR	1.10 ± 0.29 ^*	1.63 ± 0.57 ^*	2.12 ± 0.43	3.04 ± 0.92 ^*	2.21 ± 0.67
GM-WM CNR₁	0.96 ± 0.04 ^*	1.34 ± 0.01 ^*	1.81 ± 0.19	2.67 ± 0.14 ^*	1.89 ± 0.23
GM-WM CNR₂	0.68 ± 0.13 ^*	0.96 ± 0.27 ^*	1.34 ± 0.13	1.94 ± 0.35 ^*	1.41 ± 0.06

means significantly different from the mean scores for the reference SDCT images (P<0.05).