Table 3

Stent dysfunction by comparison of tumour type (extrinsic vs intrinsic tumour) between the CSEMS and UCSEMS groups

CSEMSUCSEMSP value
Extrinsic tumourn=118n=119
Overall stent dysfunction42 (35.6)21 (17.5)<0.01
 Stent ingrowth5 (4.2)5 (4.2)0.70
 Stent overgrowth8 (6.8)4 (3.3)0.36
 Stent migration18 (15.3)3 (2.5)<0.01
 Other11 (9.3)9 (7.6)0.63
Intrinsic tumourn=64n=65
Overall stent dysfunction22 (34.4)22 (33.8)0.98
 Stent ingrowth1 (1.6)18 (27.7)<0.01
 Stent overgrowth4 (6.3)0 (0.0)0.12
 Stent migration4 (6.3)1 (1.5)0.35
 Other13 (20.3)3 (4.6)<0.01
  • Data are presented as n (%).

  • CSEMS, covered self-expandable metal stent; UCSEMS, uncovered self-expandable metal stent.