2.
形态学参数与能谱参数测量同一观察者、不同观察者一致性评价
Intra-observer and inter-observer agreement on morphological parameters and dual-energy parameters measurement
Items | Doctor A | Doctor A and B | |||
ICC | 95%CI | ICC | 95%CI | ||
ICC, interclass correlation coefficient; L, long-axis diameter; S, short-axis diameter; IC, iodine concentration; NIC, normalized iodine concentration; λHU, slope of spectral hounsfield unit curve; Zeff, effective atomic number. | |||||
S | 0.872 | 0.566-0.947 | 0.849 | 0.743-0.912 | |
L | 0.891 | 0.643-0.954 | 0.932 | 0.873-0.963 | |
Arterial phase | |||||
IC | 0.930 | 0.303-0.980 | 0.897 | 0.818-0.942 | |
NIC | 0.880 | 0.798-0.930 | 0.853 | 0.730-0.919 | |
λHU | 0.891 | 0.690-0.952 | 0.839 | 0.614-0.923 | |
Zeff | 0.949 | 0.723-0.982 | 0.920 | 0.864-0.954 | |
Venous phase | |||||
IC | 0.833 | 0.484-0.929 | 0.901 | 0.420-0.967 | |
NIC | 0.891 | 0.690-0.952 | 0.839 | 0.614-0.923 | |
λHU | 0.903 | 0.335-0.970 | 0.812 | 0.340-0.927 | |
Zeff | 0.869 | 0.150-0.960 | 0.927 | 0.874-0.958 |