Table 2. Stent patency data.

	Stents placed, n (%)	Median patency, days, [IQR] or (range) 1
FCSEMS
Total no. of stents	100 (100)	36 [21 – 90]
Elective exchange	1 (1)	73
Premature exchange	10 (10)	16 [8 – 91]
Others
Removed at surgery	44 (44)	29 [22 – 38]
Death	38 (38)	80 [20 – 177]
End of follow-up 2	7 (7)	365
FCSEMS + C(R)T
Total no. of stents	51 (100)	191 [119 – 365]
Elective exchange	n/a	n/a
Premature exchange	10 (19.6)	126 [96 – 291]
Others
Removed at surgery	8 (15.7)	123 [107 – 157]
Death	21 (41.2)	191 [112 – 249]
End of follow-up 2	12 (23.5)	365
Plastic stent
Total no. of stents	99 (100)	38 [23 – 58]
Elective exchange	2 (2)	48 (41 – 54)
Premature exchange	24 (24.2)	38 [19 – 88]
Others
Removed at surgery	55 (55.6)	34 [22 – 46]
Death	17 (17.2)	112 [51 – 195]
End of follow-up 2	1 (1)	365
Plastic stent + C(R)T
Total no. of stents	41 (100)	133 [96 – 214]
Elective exchange	2 (4.9)	201 (126 – 276)
Premature exchange	27 (65.9)	127 [91 – 157]
Others
Removed at surgery	3 (7.3)	94 [41 – 133]
Death	8 (19.5)	183 [135 – 263]
End of follow-up 2	1 (2.4)	365

FCSEMS, fully-covered self-expandable metal stent; C(R)T, chemo(radio)therapy; IQR, interquartile range.

¹Range: is used in the case of insufficient data for constructing IQR.

²One year after stent insertion.