Retrospective Study
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. Jan 15, 2023; 15(1): 128-142
Published online Jan 15, 2023. doi: 10.4251/wjgo.v15.i1.128
Table 2 Univariate and multivariate logistic analyses of liver metastasis in pancreatic cancer patients, n (%)
Variable
Levels
Without LM (n = 14608)
With LM (n = 7698)
Univariate analysis (OR, 95%CI)
Multivariate analysis (OR, 95%CI)
Age at diagnosis (yr)≤ 708783 (60.1)5032 (65.4)
> 705825 (39.9)2666 (34.6)0.80 (0.75-0.85, P < 0.001)0.72 (0.68-0.77, P < 0.001)
SexFemale7393 (50.6)3485 (45.3)
Male7215 (49.4)4213 (54.7)1.24 (1.17-1.31, P < 0.001)1.16 (0.89-1.23, P = 0.056)
RaceWhite11590 (79.3)6048 (78.6)
Black1730 (11.8)1047 (13.6)1.16 (1.07-1.26, P < 0.001)1.07 (0.97-1.17, P = 0.186)
Other1288 (8.8)603 (7.8)0.90 (0.81-0.99, P = 0.036)0.93 (0.83-1.04, P = 0.228)
Primary siteHead8939 (61.2)3003 (39)
Body/tail3604 (24.7)3212 (41.7)2.65 (2.49-2.83, P < 0.001)2.30 (2.14-2.47, P < 0.001)
Other2065 (14.1)1483 (19.3)2.14 (1.98-2.31, P < 0.001)1.76 (1.61-1.92, P < 0.001)
HistologyAdenocarcinoma9394 (64.3)5867 (76.2)
Neuroendocrine carcinoma640 (4.4)411 (5.3)1.03 (0.90-1.17, P = 0.670)1.28 (1.10-1.49, P = 0.001)
Other4574 (31.3)1420 (18.4)0.50 (0.46-0.53, P < 0.001)0.61 (0.56-0.66, P < 0.001)
Pathological gradeWell/moderate4727 (32.4)799 (10.4)
Poor/anaplastic2476 (16.9)919 (11.9)2.20 (1.97-2.44, P < 0.001)2.26 (2.01-2.53, P < 0.001)
Unspecific7405 (50.7)5980 (77.7)4.78 (4.40-5.19, P < 0.001)4.23 (3.86-4.64, P < 0.001)
T stageT11131 (7.7)245 (3.2)
T22901 (19.9)2653 (34.5)4.22 (3.65-4.90, P < 0.001)1.53 (0.89-1.86, P = 0.080)
T37325 (50.1)2402 (31.2)1.51 (1.31-1.75, P < 0.001)0.81 (0.64-1.02, P = 0.054)
T43019 (20.7)1411 (18.3)2.16 (1.86-2.52, P < 0.001)0.72 (0.56-1.01, P = 0.051)
TX232 (1.6)987 (12.8)9.4 (6.4-9.7, P < 0.001)7.18 (5.52-9.35, P < 0.001)
LN metastasisNo8213 (56.2)4046 (52.6)
Yes6395 (43.8)3652 (47.4)1.16 (1.10-1.23, P < 0.001)1.38 (1.30-1.47, P < 0.001)
Tumor size (cm)< 21966 (13.5)460 (6)
2-46800 (46.5)2939 (38.2)1.85 (1.66-2.06, P < 0.001)1.29 (1.08-1.55, P = 0.006)
> 45842 (40)4299 (55.8)3.15 (2.82-3.51, P < 0.001)2.05 (1.71-2.46, P < 0.001)