Table 1 Patient characteristics
| Â | Uncovered | Partially covered | Fully covered | Â | |||
|---|---|---|---|---|---|---|---|
(n = 44) | (n = 28) | (n = 29) | P value | ||||
Age | 75 | (54–92) | 76 | (48–91) | 72 | (47–87) | 0.304 |
Sex (Male/Female) | 18/26 | 19/9 | 23/6 | 0.003* | |||
Performance Status (≤2/3≤) | 40/4 | 24/4 | 29/0 | 0.103 | |||
Diagnosis | |||||||
 Pancreas cancer | 34 | (77.3) | 21 | (75.0) | 25 | (86.2) | |
 Bile duct cancer | 6 | (13.6) | 4 | (14.3) | 2 | (6.9) | >0.5 |
 Other | 4 | (9.1) | 3 | (10.7) | 2 | (6.9) | |
Stent length | |||||||
 4 mm | 1 | (2.3) | 0 | 1 | (3.5) | ||
 6 mm | 32 | (72.7) | 27 | (96.4) | 27 | (93.0) | 0.011* |
 8 mm | 11 | (25.0) | 1 | (3.6) | 1 | (3.5) | |
Stricture location | |||||||
 Middle | 14 | (31.8) | 9 | (32.1) | 2 | (7.0) | 0.023* |
 Lower | 30 | (68.2) | 19 | (67.9) | 27 | (93.0) | |
Length of stricture (mm) | 22 | (8–100) | 20 | (7–55) | 25 | (10–52) | 0.218 |
Length of a portion of the stent over the stricture (mm) | 30 | (5–70) | 27.5 | (7–55) | 25 | (0–60) | 0.159 |
Prior transpapillary drainage | 28 | (63.6) | 13 | (46.4) | 19 | (65.5) | 0.255 |
Sphincterotomy | 35 | (79.5) | 26 | (92.9) | 25 | (86.2) | 0.355 |
History of cholecystectomy | 3 | (6.8) | 2 | (7.1) | 2 | (6.9) | >0.5 |
Ascites | 12 | (27.3) | 6 | (21.4) | 6 | (20.7) | >0.5 |
Chemotherapy | 29 | (65.9) | 18 | (64.3) | 24 | (82.8) | 0.218 |
Duodenal invasion | 13 | (29.5) | 7 | (25.0) | 14 | (48.3) | 0.132 |
Duodenal stent | 6 | (13.6) | 4 | (14.3) | 6 | (20.7) | >0.5 |
Follow-up (days) | 172 | (30–504) | 161 | (42–1401) | 238 | (32–554) | 0.243 |
Outcome (dead/alive) | 33/11 | 25/3 | 23/6 | 0.354 | |||