Table 4.
Variable (n) |
Univariate analyses by log-rank test |
Multivariate analyses by Cox’s model |
||
RR (95%CI) | P value | HR (95%CI) | P value | |
Surgery | 0.02 | 0.08 | ||
No (50) | 1 | 1 | ||
Yes (74) | 0.48 (0.26-0.88) | 0.54 (0.27-1.09) | ||
Age at diagnosis | 0.01 | 0.13 | ||
< 70 yr (83) | 1 | 1 | ||
≥ 70 yr (41) | 2.36 (1.26-4.40) | 1.72 (0.86-3.46) | ||
Extra-pancreatic cancer | 0.13 | - | ||
No (98) | 1 | - | ||
Yes (26) | 1.66 (0.86-3.22) | - | ||
MPD size > 10 mm | 0.13 | - | ||
No (100) | 1 | - | ||
Yes (24) | 1.66 (0.86-3.22) | - | ||
Nodule1 | 0.01 | 0.01 | ||
No (88) | 1 | 1 | ||
Yes (36) | 2.42 (1.17-5.00) | 2.71 (1.29-5.69) | ||
BD size > 30 mm | 0.85 | - | ||
No (94) | 1 | - | ||
Yes (30) | 1.08 (0.51-2.29) | - | ||
Fortuitous | 0.63 | - | ||
No (96) | 1 | - | ||
Yes (28) | 1.19 (0.58-2.45) | - | ||
Acute pancreatitis | 0.24 | - | ||
No (79) | 1 | - | ||
Yes (45) | 0.68 (0.35-1.30) | - |
Nodule and wall thickening of MPD and/or branch-duct cysts. BD: Branch duct; MPD: Main pancreatic duct.