Table 4.

Effect of clinical and procedural factors on the development of complications and the necessity of repeated endoscopic interventions.

Suspected risk factors	Development of complications	Repeated endoscopic interventions
Sex	p = 0.216	p = 0.272
Age	p = 0.382	p = 0.169
Tumor type (esophageal or other)	p = 0.579	p = 0.516
Dilation of stenosis during stent implantation	p = 0.109	p = 0.088
Tracheoesophageal fistula at the time of stenting	p = 0.756	p = 0.509
Length of stenosis	p = 0.392	p = 0.552
Tumor location	p = 0.943	p = 0.214
Partially/fully covered stent	p = 0.539	p = 0.339