Table 1.

Summary of mean DR, SNR, CNR and ADC measurements ± SDs of ssEPI-DWI and ssTSE-DWI and results of statistical comparison by paired t-test

	ssEPI-DWI (mean ± SD)	ssTSE-DWI (mean ± SD)	p value
Right DR	0.133 ± 0.085	0.047 ± 0.037	<0.001
Left DR	0.135 ± 0.102	0.037 ± 0.035	<0.001
SNR of ocular melanoma	43.87 ± 27.02	37.33 ± 18.3	0.037
SNR of temporal cortex	50.6 ± 17.17	67.08 ± 23.17	<0.001
CNR of ocular melanoma	35.56 ± 26.08	23.65 ± 16.94	<0.001
CNR of temporal cortex	42.39 ± 15.5	53.22 ± 19.36	0.004
Mean ADC of melanoma (mm2 s−1)	1.108 ± 0.25 × 10−3	1.298 ± 0.34 × 10−3	<0.001
Mean ADC of cerebral cortex (mm2 s−1)	0.86 ± 0.13 × 10−3	0.915 ± 0.08 × 10−3	<0.001

CNR, Contrast-to-noise ratio; DR, Distortion ratio; SNR, Signal-to-noise ratio.

Difference is significant at p < 0.05 level.