Table 1 Baseline characteristics of the total and propensity-matched cohorts for palliative EBS and stone removal
Total cohort | Matched cohort | |||||
|---|---|---|---|---|---|---|
EBS (n = 25) | Complete stone removal (n = 136) | p value | EBS (n = 25) | Complete stone removal (n = 25) | p value | |
Age, median (range), years | 86.0 (75–95) | 81.0 (75–101) | < 0.01 | 86.0 (75–95) | 84.0 (75–87) | 0.20 |
Sex, male/female | 14/11 | 85/51 | 0.66 | 14/11 | 17/8 | 0.56 |
WHO performance status score of 3, n (%) | 2 (8.0) | 9 (6.6) | 0.68 | 2 (8.0) | 2 (8.0) | 1.00 |
Antiplatelet or anticoagulant therapy, n (%) | 10 (40.0) | 46 (33.8) | 0.65 | 10 (40.0) | 10 (40.0) | 1.00 |
Cardiovascular disease, n (%) | 9 (36.0) | 36 (26.5) | 0.34 | 9 (36.0) | 10 (40.0) | 1.00 |
Dementia, n (%) | 10 (40.0) | 16 (11.8) | < 0.01 | 10 (40.0) | 8 (32.0) | 0.77 |
History of cerebral infarction, n (%) | 6 (24.0) | 12 (8.8) | 0.04 | 6 (24.0) | 5 (20.0) | 1.00 |
Malignant neoplasm, n (%) | 6 (24.0) | 28 (20.6) | 0.79 | 6 (24.0) | 7 (28.0) | 1.00 |
Gallstone, n (%) | ||||||
Preserved gallbladder with gallstones | 14 (56.0) | 32 (23.5) | < 0.01 | 14 (56.0) | 14 (56.0) | 1.00 |
Periampullary diverticulum, n (%) | 13 (52.0) | 34 (25.2) | 0.02 | 13 (52.0) | 12 (48.0) | 1.00 |
Surgically-altered anatomya, n (%) | 7 (28.0) | 12 (8.8) | 0.01 | 7 (28.0) | 7 (28.0) | 1.00 |
Diameter of common bile duct, median (range), mm | 13.0 (7–23) | 11.0 (4–28) | 0.04 | 13.0 (7–23) | 13.0 (6–28) | 0.98 |
Diameter of stones, median (range), mm | 10.0 (4–18) | 8.0 (1–28) | 0.02 | 10.0 (4–18) | 10.0 (2–28) | 0.93 |
Number of stones, median (range) | 2.0 (1–10) | 2.5 (1–20) | 0.79 | 2.0 (1–10) | 3.0 (1–10) | 0.75 |