Table 4 Complication rates and time to detect complications after SEMS placement
From: An outcome analysis of self-expandable metallic stents in central airway obstruction: a cohort study
|  | Total (n = 211) | Benign (n = 116) | Malignant (n = 95) | p value¶ |
|---|---|---|---|---|
Complication rate | ||||
   Stent migration, n(%) | 16(7.6) | 8(6.9) | 8(8.4) | 0.677 |
   Granulation tissue formation, n(%) | 32(15.2) | 22(19.0) | 10(10.5) | 0.089 |
   Stent fracture, n(%) | 20(9.5) | 19(16.4) | 1(1.1) | 0.0002 |
   Pneumothorax, n(%) | 1(0.5) | 0(0) | 1(1.1) | 0.268 |
Time to detect complication after SEMS implantation (days) | ||||
   Stent migration, n(%) | 18(8-55) | 45(9-109) | 16(3-32) | 0.112 |
   Granulation tissue formation, n(%) | 75(33-378) | 212(59-489) | 31(19-35) | 0.005 |
   Stent fracture, n(%) | 652(306-814) | 686(277-856) | 515 | - |
   Pneumothorax, n(%) | 2 | none | 2 | - |