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Conspicuity of two different ultrasonography techniques in the assessment of microcrystals in the gallbladder
| Grade | FUS (n=55) |
HUS-N |
||
|---|---|---|---|---|
| Reader 1 | Reader 2 | Reader 1 | Reader 2 | |
| 1 | 25 | 37 | 0 | 0 |
| 2 | 21 | 9 | 3 | 2 |
| 3 | 6 | 6 | 12 | 15 |
| 4 | 3 | 3 | 40 | 38 |
Kappa value with linear weighting: FUS, 0.633 with 95% confidence interval from 0.478 to 0.789; HUS-N, 0.708 with 95% confidence interval from 0.566 to 0.925. FUS, fundamental ultrasonography; HUS-N, harmonic ultrasonography with a high background noise.
