| Clinical endpoints |
| Time span until freedom of dysphagia was achieved (months), median (range) |
155 (0–1792) |
186 (0–4107) |
0.35 |
| No. of Savary dilations until freedom from dysphagia was achieved, median (range) |
3 (1–41) |
9 (1–57) |
<0.001 |
| No. of therapy episodes containing Savary dilations until long-term freedom of dysphagia was achieved, median (range) |
2 (1–16) |
1 (1–9) |
0.011 |
| Time span to recurrence of dysphagia, median (range) |
99 (1–1042) |
95 (5–1003) |
0.88 |
| Endoscopic endpoints |
| Predilator size, median (range) |
9 (5–15) |
7 (5–12) |
<0.001 |
| Maximum dilator, median (range) |
16 (10–18) |
14 (9–16) |
<0.001 |
| Difference in dilation diameter, median (range) |
8 (3–15) |
7 (0–10) |
0.30 |
| Dilator size of 15 mm is achieved, n (%) |
158 (81.4) |
22 (50.0) |
<0.001 |
| Time span until dilator size of 15 mm was achieved (days), median (range) |
2 (0–1743) |
73 (0–750) |
<0.001 |
| No. of Savary dilations until dilator size of 15 mm was achieved, median (range) |
2 (1–27) |
8 (2–28) |
<0.001 |
| Dilator size of 15 mm is not achieved, n (%) |
36 (18.6) |
22 (50.0) |
|
| Time span until maximal dilator size was achieved (days), median (range) |
41 (0–706) |
60 (0–648) |
0.001 |
| No. of Savary dilations until maximal dilation size was achieved, median (range) |
2 (1–22) |
4 (1–12) |
0.03 |
