Retrospective Study
Copyright ©The Author(s) 2023.
World J Radiol. Oct 28, 2023; 15(10): 281-292
Published online Oct 28, 2023. doi: 10.4329/wjr.v15.i10.281
Table 3 Concordance of the segmentation diagnoses of the observers with the final diagnosis in the scenogram, n (%)
Mechanical obstruction segment by final diagnosis
Specificity, %Sensitivity, %PPV, %NPV, %Accuracy, %
Large
Small
Total
I Observer
Large12 (85.7)19 (59.4)31 (67.4)85.7040.6238.6786.6954.33
Small2 (14.3)13 (40.6)15 (32.6)
II Observer
Large8 (57.1)10 (31.3)18 (39.1)57.1468.7544.4078.6065.22
Small6 (42.9)22 (68.8)28 (60.9)
III Observer
Large12 (85.7)7 (21.9)19 (41.3)85.7178.1263.1292.6080.43
Small2 (14.3)25 (78.1)27 (58.7)
Total14 (30.4)32 (69.6)46 (100)