TABLE 1.

SNR and quantitative DTI analysis.

	RS3-EPI	RS5-EPI	RS7-EPI		P-value
				ANOVA	RS3 vs. RS5	RS3 vs. RS7	RS5 vs. RS7
SNR	47.106 ± 14.858	175.896 ± 10.563	186.490 ± 10.188	<0.001*	<0.001**	<0.001**	0.093
SNR(TA)	2.443 ± 0.768	7.110 ± 0.425	6.389 ± 0.349	<0.001*	<0.001**	<0.001**	0.015**
FA	0.626 ± 0.007	0.647 ± 0.018	0.607 ± 0.009	<0.001*	0.035	0.001**	0.001**
RD (μm2/msec)	0.665 ± 0.021	0.621 ± 0.027	0.693 ± 0.018	<0.001*	0.001**	0.023	<0.001**
DTT fiber number	6.375 ± 4.104	13.375 ± 3.292	8.875 ± 6.266	0.023*	0.007**	0.302	0.071

DTI, diffusion tensor imaging; RS3, No. of readout segments = 3; RS5, No. of readout segments = 5; RS7, No. of readout Segments = 7; SNR, signal-to-noise ratio; SNR(TA), SNR correction due to sequence-specific differences in acquisition time; FA, fractional anisotropy; RD, radial diffusivity; DTT, diffusion tensor tractography; *P ≤ 0.05; **P ≤ 0.017, post hoc analysis with Bonferroni corrected.