Table 2.
The characteristics of patients who developed late-onset cholecystitis.
| Parameters | Univariable Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|---|
| Late-Onset Cholecystitis | No Late-Onset Cholecystitis | p-Value | Odds Ratio | 95% Cl | p-Value | |
| No. of patients | 25 (24.0) | 79 (76.0) | ||||
| Gender (M/F) | 10 (40)/15 (60) | 45 (57.0)/34 (43.0) | 0.139 | |||
| Age (year, mean ± SD) | 71.4 ± 8.5 | 72.3 ± 11.5 | 0.690 | |||
| Presence of GB stone | 5 (20) | 9 (11.4) | 0.272 | 3.295 | 0.791–13.722 | 0.101 |
| Presence of diabetes | 5 (20.0) | 21 (26.6) | 0.508 | 0.707 | 0.203–2.458 | 0.586 |
| AST | 75.0 ± 60.1 | 95.8 ± 130.3 | 0.395 | |||
| ALT | 98.0 ± 82.2 | 84.3 ± 79.5 | 0.533 | |||
| TB | 6.4 ± 4.9 | 10.1 ± 8.9 | 0.418 | |||
| DB | 4.0 ± 3.2 | 6.1 ± 5.5 | 0.418 | |||
| Pre-ERCP cholangitis | 8 (32.0) | 18 (22.8) | 0.354 | 1.295 | 0.434–3.865 | 0.643 |
| GB filling with contrast medium | 11 (44) | 26 (32.9) | 0.313 | 1.135 | 0.395–3.261 | 0.814 |
| Invasion of the cystic duct orifice | 20 (80) | 52 (65.8) | 0.219 | 2.345 | 0.736–7.474 | 0.150 |
| GB filling with contrast medium and invasion of the cystic duct | 9 (36) | 14 (17.7) | 0.055 | |||
| Length of the common part of the Y-stent | 7.3 ± 0.9 | 7.1 ± 1.1 | 0.364 | 1.332 | 0.786–2.257 | 0.287 |
| Previous early-onset cholecystitis | 2 (8.0) | 5 (6.3) | 0.771 | |||
| Stent patent days | 256.4 ± 177.1 | 115.0 ± 126.1 | 0.268 | |||
| Stent obstruction | 21 (84.0) | 41 (51.9) | 0.004 | 5.879 | 1.641–21.059 | 0.007 |
| - Obstruction reason; ingrowth/overgrowth/ sludge/stone |
7 (33.3)/10 (47.6) /3 (14.2)/1 (4.8) |
15 (36.6)/19 (46.3) /6 (14.6)/1 (2.4) |
0.967 | |||
| Repeated procedure due to stent obstruction | 21 (84.0) | 35 (44.3) | 0.001 | |||
| - PTBD/ plastic stent/c ERCP/ metal stent/c ERCP |
12 (57.1)/7 (33.3)/2 (9.5) | 20 (57.1)/12 (34.3)/3 (8.6) | 0.992 | |||
| Survival days | 385.0 ± 245.1 | 151.7 ± 156.5 | 0.239 | |||
Data are presented as mean ± SD. ERCP, endoscopic retrograde cholangiopancreatography; GB, gallbladder; AST, aspartate transaminase; ALT, alanine transaminase; TB, total bilirubin; DB, direct bilirubin.