DM-Scan Rater 1 | DM-Scan Rater 2 | DM-Scan Rater 3 | Cumulus (Rater 1) | ||||||
---|---|---|---|---|---|---|---|---|---|
Classification | N | Mean | P05-P95 | Mean | P05-P95 | Mean | P05-P95 | Mean | P05-P95 |
Qualitative scales | |||||||||
Wolfea | |||||||||
N1 | 43 | 1.8% | 0.0%-5.8% | 3.6% | 0.0%-12.5% | 1.6% | 0.0%-6.5% | 2.3% | 0.0%-6.5% |
P1 | 327 | 8.2% | 0.0%-19.2% | 10.4% | 1.5%-24.8% | 7.9% | 0.0%-17.1% | 5.4% | 0.0%-17.1% |
P2 | 166 | 25.6% | 12.3%-1.3% | 26.7% | 11.7%-45.8% | 25.7% | 5.7%-38.7% | 19.3% | 5.7%-38.7% |
DY | 101 | 33.5% | 15.2%-55.7% | 34.1% | 13.8%-60.1% | 32.7% | 9.3%-61.4% | 29.2% | 9.3%-61.4% |
Tabarb | |||||||||
II | 43 | 1.8% | 0.0%-5.8% | 3.6% | 0.0%-12.5% | 1.6% | 0.0%-6.5% | 2.3% | 0.0%-6.5% |
III | 381 | 10.1% | 0.0%-26.0% | 12.2% | 1.7%-12.5% | 9.8% | 1.1%-23.2% | 6.8% | 0.1%-22.6% |
IV | 155 | 30.8% | 13.4%-53.2% | 31.5% | 12.3%-54.7% | 30.6% | 13.0%-50.5% | 24.9% | 5.9%-50.9% |
V | 58 | 29.4% | 12.8%-51.6% | 29.8% | 10.4%-52.5% | 28.7% | 12.3%-53.8% | 25.6% | 9.4%-51.4% |
BIRADS densityc | |||||||||
1 | 340 | 6.8% | 0.0%-17.5% | 8.8% | 0.4%-21.5% | 6.5% | 0.0%-15.8% | 4.6% | 0.0%-13.9% |
2 | 183 | 21.2% | 10.8%-36.6% | 21.9% | 10.1%-38.3% | 20.8% | 10.2%-34.6% | 15.4% | 4.2%-30.6% |
3 | 89 | 34.1% | 24.0%-48.3% | 35.4% | 22.3%-50.4% | 33.9% | 21.8%-49.2% | 28.2% | 15.4%-46.6% |
4 | 25 | 47.6% | 30.9%-68.0% | 51.3% | 32.0%-69.4% | 47.6% | 32.5%-61.8% | 45.4% | 16.8%-68.3% |
Semiquantitative scale | |||||||||
Boyd categories | |||||||||
0% | 46 | 1.0% | 0.0%-5.3% | 2.1% | 0.0%-8.7% | 1.1% | 0.0%-3.8% | 1.6% | 0.0%-5.8% |
<10% | 186 | 5.7% | 0.0%-14.3% | 7.1% | 1.5%-14.5% | 5.3% | 0.8%-12.3% | 3.4% | 0.0%-8.2% |
10%-25% | 195 | 14.1% | 3.8%-27.1% | 16.0% | 7.0%-28.8% | 13.6% | 5.1%-23.5% | 9.2% | 2.4%-20.4% |
25-50% | 139 | 26.2% | 13.6%-40.2% | 27.6% | 14.9%-44.1% | 26.2% | 12.5%-41.5% | 21.4% | 7.3%-37.4% |
50-75% | 59 | 37.5% | 28.2%-48.8% | 39.5% | 27.5%-51.1% | 38.0% | 26.1%-53.4% | 31.4% | 0.5%-47.9% |
>75% | 13 | 56.0% | 41.3%-71.7% | 57.0% | 46.8%-69.4% | 51.6% | 40.3%-61.8% | 55.0% | 44.2%-77.2% |
Agreement Boyd – DM-Scan | Agreement Boyd –Cumulus | ||||||||
Weighted kappa | 0.801 | 0.789 | 0.805 | 0.697 | |||||
(95% Confidence Interval) | (0.777-0.823) | (0.764-.812) | (0.783-.825) | (0.652-.738) | |||||
Agreement Cumulus – DM-Scan | |||||||||
Mean Difference (DM-Scan – Cumulus) | Mean Difference | CCC e | Mean Difference | CCC e | Mean Difference | CCC | |||
(P05-P95d) | +3.7% | 0.841 | +5.3% | 0.803 | +3.5% | 0.842 | |||
Concordance Correlation Coefficient (CCC) | (+0.0% to +42.3%) | (0.820-0.863) | (+1.3% to+45.6%) | (0.777-0.828) | (+0.8% to +43.3%) | (0.820-0.864) | |||
(95% Confidence Interval) |