Table 2. ADC texture and histogram parameters of the grade II, III and IV gliomas.
p-value* | ||||||
Parameter | Grade II (n = 8) | Grade III (n = 10) | Grade IV (n = 22) | II vs. III | II vs. IV | III vs. IV |
Texture parameter | ||||||
Entropy | 6.261±0.4120 | 6.295±0.4963 | 7.119±0.3165 | >0.05 | <0.001 | <0.001 |
Skewness | 0.082±0.176 | 0.265±0.572 | 0.733±0.671 | >0.05 | <0.05 | >0.05 |
Kurtosis | 0.477±1.659 | 0.898±2.068 | 0.967±2.532 | 0.872** | ||
ADC (x10−6mm2/sec) | ||||||
Mean | 1,327±322 | 1,177±334 | 1,355±255 | 0.27** | ||
Fifth percentile | 1,030±185 | 881±261 | 815±226 | 0.088** |
Note.–Values are the means ± standard deviation.
*Significant difference between three groups (P<.05); P-values were calculated using a one-way analysis of variance with a post-hoc test.
**P values were calculated using a one-way analysis of variance, and a post-hoc test was not performed.