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Interobserver kappa values for cyst stages as defined by the WHO system are charted for the WHO image group and test image group
| WHO CE US cyst stages | Kappa for WHO images | Kappa for test images |
|---|---|---|
| CL | 0.364 | 0.496 |
| CE1 | 0.796 | 0.672 |
| CE2 | 0.636 | 0.719 |
| CE3A | 0.904 | 0.768 |
| CE3B | 0.618 | 0.642 |
| CE4 | 0.565 | 0.624 |
| CE5 | 0.478 | 0.586 |
CE = cystic echinococcosis; US = ultrasound; WHO = World Health Organization.
