Table 3.
Factors associated with the risk of synchronous liver metastasis for stage IV pancreatic cancer (univariate and multivariate logistic regression model) (N = 1080)
| Variable | Univariate analysis | Stepwise multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P value | OR | 95% CI | P value | |
| Age (≥60 vs. <60) | 0.94 | 0.66–1.34 | 0.7357 | |||
| Sex (male vs. female) | 1.29 | 0.90–1.86 | 0.1723 | |||
| Smoking (yes vs. no) | 1.19 | 0.83–1.70 | 0.3371 | |||
| Alcohol (yes vs. no) | 1.11 | 0.65–1.88 | 0.7058 | |||
| Location (body/tail vs. head/neck) | 0.59 | 0.40–0.89 | 0.0113 | 0.55 | 0.36–0.83 | 0.0046 |
| Diameter (≥20 vs. <20) | 1.60 | 1.07–2.40 | 0.0236 | 1.77 | 1.16–2.70 | 0.0082 |
| ALT or AST (elevated vs. normal) | 1.78 | 1.03–3.07 | 0.0390 | 1.62 | 0.92–2.83 | 0.0923 |
| ALB (low vs. normal) | 0.80 | 0.54–1.19 | 0.2697 | |||
| CA19-9 (elevated vs. normal) | 2.53 | 1.74–3.68 | <0.0001 | 2.72 | 1.85–3.99 | <0.0001 |