| OME | Otitis media with effusion |
| VTI | Ventilation tube insertion |
| VT | Ventilation tube |
| HR | Hazard ratio |
| CI | Confidence interval |
| IQR | Interquartile range |
| SD | Standard deviation |
| KM | Kaplan–Meier |
| OME | Otitis media with effusion |
| VTI | Ventilation tube insertion |
| VT | Ventilation tube |
| HR | Hazard ratio |
| CI | Confidence interval |
| IQR | Interquartile range |
| SD | Standard deviation |
| KM | Kaplan–Meier |