Table 2.
Endoscopic Interventions During the Enrollment ERCP
| Variable | Multiple Plastic Stents (n = 55) | cSEMS (n = 57) | P Value |
|---|---|---|---|
| Biliary sphincterotomy, No. (%) | |||
| No | 5 (9.1) | 4 (7) | .49 |
| Yes | 31 (56.4) | 27 (47.4) | |
| Previous | 19 (34.5) | 26 (45.6) | |
| Passage dilation, No. (%) | 4 (7.3) | 3 (5.3) | .66 |
| Balloon dilation, No. (%) | 44 (80) | 8 (14) | <.001 |
| Device’s maximal diameter for balloon dilation, No. (%) | |||
| 4 mm | 1 (2.3) | 1 (12.5) | .15 |
| 6 mm | 15 (34.9) | 5 (62.5) | |
| 8 mm | 22 (51.2) | 2 (25) | |
| >8 mm | 5 (11.6) | 0 | |
| cSEMS diameter, No. (%) | |||
| 8 mm | 17 (29.8) | ||
| 10 mm | 40 (70.2) | ||
| Cumulative plastic stent diameter, median (range), Fa | 20 (7–30) | ||
| No. of stents, No. (%)b | |||
| 1 | 15 (27.3) | 57 (100) | |
| 2 | 35 (63.6) | 0 | |
| 3 | 5 (9.1) | 0 | |
Abbreviations: cSEMS, fully covered, self-expandable metallic stent; ERCP, endoscopic retrograde cholangiopancreatography.
a
Cumulative plastic stent diameter represents the total diameter of plastic stents deployed in parallel during the first ERCP. For example, two 10-F plastic stents equals a cumulative diameter of 20 F.
b
Represents the total number of stents deployed during the first ERCP.