Application of Diffusion Kurtosis Imaging and Histogram Analysis for Assessing Preoperative Stages of Rectal Cancer

Table 3

Comparison of histogram imaging indices between T1-2 and T3-4.

Histogram variable	T1-2	T3-4	value
ADC-mean	0.88 ± 0.17	0.82 ± 0.13	0.153
ADC-10th	0.65 ± 0.08	0.58 ± 0.11	0.035
ADC-25th	0.73 ± 0.11	0.65 ± 0.11	0.024
ADC-50th	0.84 ± 0.15	0.77 ± 0.13	0.066
ADC-75th	1.02 ± 0.26	0.93 ± 0.190.9	0.213
ADC-90	1.18 ± 0.34	1.14 ± 0.28	0.674
-mean	1.50 ± 0.38	1.35 ± 0.27	0.153
-10th	0.96 ± 0.19	0.84 ± 0.16	0.017
-25th	1.15 ± 0.27	1.00 ± 0.8	0.044
-50th	1.42 ± 0.38	1.25 ± 0.26	0.088
-75th	1.84 ± 0.63	1.63 ± 0.43	0.21
-90th	2.14 ± 0.63	2.05 ± 0.57	0.622
-mean	0.74 ± 0.10	0.82 ± 0.26	0.207
-10th	0.48 ± 0.11	0.47 ± 0.09	0.924
-25th	0.61 ± 0.12	0.62 ± 0.17	0.899
-50th	0.75 ± 0.12	0.81 ± 0.16	0.167
-75th	0.88 ± 0.11	0.99 ± 0.29	0.123
-90th	0.99 ± 0.10	1.18 ± 0.66	0.223

Data are expressed as means ± standard deviations. Diffusivity and ADC values are expressed as mm²/s. is statistically significant.