Table 2.
Comparison of background demographics between the two groups, n (%)
|
|
Double-stent group (n = 40)
|
Single-stent group (n = 38)
|
P value
|
| Sex, male/female, n | 20/20 | 16/22 | 0.4841 |
| Age, mean ± SD, years | 73 ± 11 | 71 ± 12 | 0.3332 |
| Hypertension | 12 (30.0) | 17 (44.7) | 0.1781 |
| Diabetes | 14 (35.0) | 12 (31.6) | 0.7491 |
| Diagnostic method | 0.0141 | ||
| Biopsy | 21 (52.5) | 30 (78.9) | - |
| Imaging | 19 (47.5) | 8 (21.1) | - |
| Tumor location | 0.3421 | ||
| Head | 37 (92.5) | 35 (92.1) | - |
| Neck | 1 (2.5) | 2 (5.3) | - |
| Body | 2 (5.0) | 0 (0.0) | - |
| Tail | 0 (0.0) | 1 (2.6) | - |
| Tumor staging | 0.6871 | ||
| III stage | 27 (67.5) | 24 (63.2) | - |
| IV stage | 13 (32.5) | 14 (36.8) | - |
| Chemotherapy | 16 (40.0) | 11 (28.9) | 0.3341 |
| Analgesic | > 0.999 | ||
| None | 23 (57.5) | 23 (60.5) | - |
| Nonopioid analgesic | 16 (40.0) | 15 (39.5) | - |
| Moderate opioid | 1 (2.5) | 0 (0.0) | - |
| Strong opioids | 0 (0.0) | 0 (0.0) | - |
1
χ 2 test.
2
Student’s t-test.
The double-stent group underwent endoscopic retrograde cholangiopancreatography with a fully-covered self-expandable metallic biliary stent and a pancreatic duct stent, while the single-stent group underwent a fully-covered self-expandable metallic biliary stent only.