| OSA | obstructive sleep apnea |
| TDI | threshold, discrimination, and identification |
| FTP | Friedman Tongue Position |
| CT90 | cumulative time spent below 90% |
| AI | arousal index |
| DISE | drug-induced sleep endoscopy |
| UPPP | uvulopalatoplasty |
| BRP | barbed repositioning pharyngoplasty |
| TORS | transoral robotic surgery |
| TORSTBR | transoral robotic surgery tongue base reduction |
| AHI | apnea–hypopnea index |
| PSG | polysomnography |
| AASM | American Academy of Sleep Medicine |
| VAS | Visual Analogue Scale |
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