TABLE 1.
Low-Grade Group (n = 87) | High-Grade Group (n = 34) | P Value | |
---|---|---|---|
ADCmean (×10−3 mm2/s) | 1.387 ± 0.206 | 1.096 ± 0.122 | <0.001 |
ADCmin (×10−3 mm2/s) | 1.121 ± 0.130 | 0.884 ± 0.080 | <0.001 |
ADC ratio | 1.614 ± 0.258 | 1.280 ± 0.139 | <0.001 |
Ki-67 | 3.701 ± 3.751 | 20.323 ± 13.153 | <0.001 |
ADC indicates apparent diffusion coefficient; ADC ratio, tumor/normal brain ADC ratio; ADCmean, mean apparent diffusion coefficient; ADCmin, minimum apparent diffusion coefficient.