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NRRS and its components for both the valleculae and the piriform sinus
| Circumscribed area ratio | Normalized residue proportion | Normalized Residue Ratio Scale (NRRS) | |
|---|---|---|---|
| NRRSV | 0.406 (0.265) | 0.293 (0.273) | 0.173 (0.237) |
| NRRSP | 0.314 (0.309) | 0.399 (0.467) | 0.275 (0.408) |
Values are mean (SD)
