Table 2.
Interobserver agreement for US-BI-RADS descriptors
| All readers | P value | ER, GR1 and GR2 | P value | Senior Residents | P value | ||||
|---|---|---|---|---|---|---|---|---|---|
| Without S-Detect V2 | With S-Detect V2 | Without S-Detect | With S-Detect V2 | Without S-Detect V2 | With S-Detect V2 | ||||
| Kappa (95% CI) | Kappa (95% CI) | Kappa (95%CI) |
Kappa (95%CI) |
Kappa (95%CI) |
Kappa (95%CI) |
||||
| Shape |
0.4217 (0.3465; 0.4969) |
0.6118 (0.5522; 0.6713) |
< 0.0001 | 0.6154 (0.4491;0.7816) |
0.6389 (0.4489; 0.8289) |
0.4296 |
0.3104 (0.1165;0.5044) |
0.553 (0.4431; 0.6629) |
< 0.0001 |
| Margin | 0.2041 (0.1524;0.2559) |
0.4821 (0.4360; 0.5282) |
< 0.0001 | 0.2791 (0.1302;0.4280) |
0.4078 (0.2659; 0.5502) |
< 0.0001 |
0.1494 (− 0.0028;0.3016) |
0.4477 (0.3619; 0.5339) |
< 0.0001 |
| Echo Pattern |
0.2604 (0.2006;0.3201) |
0.3907 (0.3436; 0.4377) |
< 0.0001 | 0.3313 (0.1319;0.5307) |
0.3406 (0.1825; 0.4986) |
0.7559 |
0.2912 (0.0734;0.5090) |
0.3737 (0.2865; 0.4610) |
0.0032 |
| Orientation | 0.4179 (0.3236;0.5122) | 0.7000 (0.6274;0.7725) | < 0.0001 | 0.7637 (0.6094;0.9181) |
0.8577 (0.6283; 1.0871) |
0.0044 |
0.1667 (− 0.0611; 0.3944) |
0.7262 (0.5937; 0.8586) |
< 0.0001 |
|
Posterior features |
0.2868 (0.2183;0.3553) |
0.5221 (0.4718; 0.5725) |
< 0.0001 | 0.3588 (0.0573;0.6603) |
0.4113 (0.2523; 0.5703) |
0.1909 |
0.3648 (0.1809; 0.5488) |
0.4697 (0.3776; 0.5617) |
< 0.0001 |
| Final assessment | 0.3019 (0.2332;0.3706) | 0.631 (0.5733;0.6887) | < 0.0001 | 0.2695 (0.0808;0.4582) | 0.6866 (0.5390;0.8342) | < 0.0001 | 0.2684 (0.0897;0.4470) | 0.4510 (0.3427;0.5594) | < 0.0001 |
ER expert radiologist, GR general radiologists