Table 2 Indications of stent removal and interval
TF group | TS group | p | |
|---|---|---|---|
Indications of removal, N (%) | |||
Routine removal | 47 (52.2%) | 40 (52.6%) | 1.0000 |
Excessive granulation tissue | 11 (12.2%) | 15 (19.7%) | 0.2041 |
Stent migration | 12 (13.3%) | 5 (6.6%) | 0.2011 |
Intolerance of stenting | 8 (8.9%) | 6 (7.9%) | 1.0000 |
Inadequate expansion and deformation | 0 (0.0%) | 5 (6.6%) | 0.0187 |
Strut fracture | 4 (4.4%) | 1 (1.3%) | 0.3764 |
Recurrence of fistula | 8 (8.9%) | – | – |
Replacement of bare stent | – | 4 (5.3%) | – |
Interval between placement and removal, days | |||
Routine removal | 107.8 ± 9.8 | 85.4 ± 6.7 | 0.0703 |
Excessive granulation tissue | 142.1 ± 25.9 | 89.9 ± 15.0 | 0.0744 |
Stent migration | 20.2 ± 8.1 | 27.0 ± 19.2 | 0.7003 |
Intolerance of stenting | 18.9 ± 10.5 | 8.3 ± 4.3 | 0.4256 |
Inadequate expansion and deformation | – | 2.0 ± 2.0 | – |
Strut fracture | 97.0 ± 14.8 | 105 | – |
Recurrence of fistula | 60.6 ± 36.7 | – | – |
Replacement of bare stent | – | 8.7 ± 3.2 | – |
Total (range) | 89.5 ± 8.3 (0–435) | 68.1 ± 6.1 (0–221) | 0.0439 |