Table 1.
Variables | All patients | Propensity matched patients | ||||
---|---|---|---|---|---|---|
IS (n = 51) | FCSEMS (n = 35) | P value | IS (n = 18) | FCSEMS (n = 18) | P value | |
Age, y (range) | 70 (25–84) | 71 (46–83) | 0.273 | 70 (52–80) | 71 (46–83) | 0.960 |
Sex, n (%) | 0.316 | 0.717 | ||||
Male | 36 (70.6) | 28 (80.0) | 13 (72.2) | 12 (80.0) | ||
Female | 15 (29.4) | 7 (20.0) | 5 (27.8) | 6 (20.0) | ||
Bismuth-Corlette classification, n (%) | <0.001 | 1.000 | ||||
I/II | 9 (17.6) | 26 (74.3) | 9 (50.0) | 9 (50.0) | ||
III/IV | 42 (82.4) | 9 (25.7) | 9 (50.0) | 9 (50.0) | ||
Primary carcinoma, n (%) | 0.439 | 0.674 | ||||
Bile duct | 44 (86.3) | 28 (80.0) | 14 (77.8) | 15 (80.0) | ||
Gallbladder | 7 (13.7) | 7 (20.0) | 4 (22.2) | 3 (20.0) | ||
Previous drainage (total), n (%) | 0.109 | 0.206 | ||||
With | 40 (78.4) | 32 (91.4) | 13 (72.2) | 16 (88.9) | ||
Without | 11 (21.6) | 3 (8.6) | 5 (27.8) | 2 (11.1) | ||
Total bilirubin before ERCP, n (%) | 0.338 | 0.289 | ||||
Over 3.0 mg/dl | 4 (7.8) | 5 (14.2) | 1 (5.6) | 3 (16.7) | ||
Under 3.0 mg/dl | 47 (92.2) | 30 (85.8) | 17 (94.4) | 15 (83.3) | ||
Previous endoscopic sphincterotomy, n (%) | 0.348 | 0.738 | ||||
With | 21 (41.2) | 18 (51.4) | 8 (44.4) | 9 (50.0) | ||
Without | 30 (58.8) | 17 (48.6) | 10 (55.6) | 9 (50.0) |
∗ There are duplicates. IS, inside stent; FCSEMS, fully covered self-expandable metallic stent.