Histogram parameters | BELs (n = 106) * | ECs (n = 126) * | p value | Intra-observer ICC (95%CI) | Inter-observer ICC (95%CI) |
---|---|---|---|---|---|
Volume (× 103 mm3) | 6.076 (2.511, 10.477) | 4.803 (2.533, 10.283) | 0.581 | 0.985 (0.976–0.991) | 0.972 (0.956–0.987) |
ADC10th (× 10−3 mm2/s) | 1.129 (1.047, 1.236) | 0.815 (0.722, 0.884) | < 0.001 | 0.997 (0.996–0.998) | 0.996 (0.995–0.998) |
ADC90th (× 10−3 mm2/s) | 1.521 (1.401,1.775) | 1.189 (1.081, 1.312) | < 0.001 | 0.994 (0.993–0.996) | 0.992 (0.990–0.995) |
ADCmin (× 10−3 mm2/s) | 0.945 ± 0.164 | 0.697 ± 0.149 | < 0.001 | 0.965 (0.929–0.983) | 0.953 (0.902–0.978) |
ADCmax (× 10−3 mm2/s) | 1.788 (1.549, 2.089) | 1.511 (1.349, 1.704) | < 0.001 | 0.982 (0.964–0.992) | 0.978 (0.955–0.990) |
ADCmean (× 10−3 mm2/s) | 1.314 (1.219, 1.492) | 0.989 (0.885, 1.083) | < 0.001 | 0.998 (0.996–0.998) | 0.997 (0.995–0.998) |
ADCmedian (× 10−3 mm2/s) | 1.315 (1.206, 1.458) | 0.970 (0.872, 1.057) | < 0.001 | 0.998 (0.996–0.999) | 0.996 (0.995–0.998) |
IQR (× 10−3 mm2/s) | 0.212 (0.167, 0.277) | 0.191 (0.155, 0.237) | 0.014 | 0.974 (0.946–0.988) | 0.965 (0.927–0.983) |
Range (× 10−3 mm2/s) | 0.854 (0.655, 1.115) | 0.802 (0.629, 1.027) | 0.164 | 0.974 (0.946–0.987) | 0.976 (0.950–0.989) |
MAD (× 10–3) | 0.128 (0.107, 0.166) | 0.112 (0.098, 0.144) | 0.013 | 0.992 (0.982–0.996) | 0.988 (0.976–0.994) |
rMAD (× 10–3) | 0.088 (0.074, 0.115) | 0.079 (0.064, 0.099) | 0.007 | 0.990 (0.978–0.995) | 0.985 (0.968–0.993) |
RMS (× 10–3) | 1.324 (1.229, 1.507) | 1.003 (0.896, 1.100) | < 0.001 | 0.998 (0.996–0.998) | 0.997 (0.996–0.998) |
Energy (× 10–3) | 0.781 (0.364, 1.599) | 0.354 (0.195, 0.720) | < 0.001 | 0.997 (0.992–0.998) | 0.996 (0.994–0.999) |
Total energy (× 10–3) | 11.134(4.152, 19.947) | 4.926 (2.454, 10.009) | < 0.001 | 0.997 (0.994–0.999) | 0.997 (0.994–0.999) |
Entropy (× 10–6) | 4.225 ± 0.582 | 4.038 ± 0.425 | 0.007 | 0.994 (0.987–0.997) | 0.965 (0.927–0.983) |
Skewness (× 10–6) | 0.215 ± 0.522 | 0.744 ± 0.603 | < 0.001 | 0.980 (0.959–0.990) | 0.970 (0.935–0.986) |
Kurtosis (× 10–6) | 2.960 (2.438, 3.345) | 3.377 (2.743, 4.451) | < 0.001 | 0.955 (0.906–0.979) | 0.926 (0.891–0.954) |
Variance (× 10–6) | 0.027(0.017, 0.042) | 0.022 (0.015, 0.034) | 0.030 | 0.989 (0.977–0.995) | 0.987 (0.972–0.994) |
Uniformity (× 10–6) | 0.065(0.049, 0.078) | 0.072 (0.059, 0.087) | 0.002 | 0.984 (0.967–0.992) | 0.982 (0.961–0.991) |