Table 2.
Multivariate Cox proportional hazard analysis for PFS of LAPC patients
| Variables | Multivariate analysis | |
|---|---|---|
| HR (95% CI) | p value | |
| BMI (kg/m2) | … | … |
| CA19-9 response | ||
| Present | Reference | |
| Absent | 1.594 (1.046, 2.428) | 0.030 |
| ΔHUtumor (HU) | … | … |
| ΔHUtumor/ΔHUaorta | … | … |
| ECV (%) | 0.941 (0.900, 0.983) | 0.006 |
| Rim-enhancement | ||
| Absent | Reference | |
| Present | 2.058 (1.353, 3.129) | 0.001 |
| Peripancreatic fat infiltration | ||
| Absent | Reference | |
| Present | 1.612 (1.052, 2.468) | 0.028 |
The ellipsis indicates p value is not significant and should be excluded from the multivariate Cox model
Variables with p < 0.05 in multivariate Cox hazards regression analysis were highlighted in bold
PFS progression-free survival, HR hazard ratio, CI confidence interval, CEA carcinoembryonic antigen, CA19-9 carbohydrate antigen 19-9, ECV tumor extracellular volume