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MRS responses segregated by timing of dysphagia
| Normal controls* (n=18) | Early dysphagia (n=34) | Late dysphagia (n=18) | No dysphagia (n = 22) | |
|---|---|---|---|---|
| DCI ratio > 1.0 | 78.1% | 44.1% | 11.1% | 63.6%** |
| S2 ratio > 1.0 | 88.9% | 29.4% | 11.1% | 40.9% |
| S3 ratio > 1.0 | 94.6% | 44.1% | 16.7% | 50.0%** |
DCI, distal contractile integral; MRS, multiple rapid swallow.
P≤0.002 compared with patient groups.
P≤0.02 across patient groups.
