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Multivariate Analysis of the Risk for Aspiration by Relaxation Time Interval, Intrabolus Pressure, and Nadir Pressure
| OR | 95% CI | P-value | |
|---|---|---|---|
| Nadir pressurea | 0.98 | 0.69–1.39 | 0.917 |
| Median intrabolus pressureb | 1.09 | 0.86–1.38 | 0.467 |
| Relaxation time interval | 0.03 | 0.01–0.65 | 0.027 |
Nadir pressure of the upper esophageal sphincter (UES) during deglutition.
Median intrabolus pressure of the UES during deglutition.
