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Videomanometric findings†
| Aged controls | Neurogenic controls | Myositis patients | |
| Absent pharyngeal swallow response | 0/22 | 3/14 | 0/13 |
| Basal UOS pressure (mm Hg) | 45 (5) | 25 (4)* | 38 (4) |
| Nadir UOS pressure (mm Hg) | 2 (1) | 3 (2) | 3 (2) |
| Peak pharyngeal pressure (mm Hg) | 124 (12) | 91 (14) | 71 (7) |
| — | (3/14) | (6/13) |
*p<0.05 versus aged controls.
†14 of 17 neurogenic controls studied videomanometrically.
UOS, upper oesophageal sphincter.
