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Dilator type
| Empiric dilation | Stricture dilation | |
|---|---|---|
| Number of patients | 4,263 (100%) | 4,112 (100%) |
| Type of dilation (%) | ||
| Balloon | 363 (9%) | 820 (20%) |
| Wire-guided | 1,768 (41%) | 2,307 (56%) |
| Bougie | 2,132 (50%) | 985 (24%) |
| Mean dilator diameter in mm (SD) | ||
| Balloon | 17.5 (1.7) | 15.7 (1.1) |
| Wire-guided | 17.0 (1.7) | 14.6 (1.9) |
| Bougie | 17.0 (1.4) | 15.8 (0.9) |
