Table 2.
Univariate and multivariate Cox regression analysis determined the independent prognostic performance of our risk score
| HR | HR.95L | HR.95H | p value | |
|---|---|---|---|---|
| Univariate | ||||
| astage | 2.4455 | 1.4762 | 4.0512 | 0.0005 |
| bgrade | 1.7026 | 1.1639 | 2.4906 | 0.0061 |
| ctumor_diameter | 1.2418 | 0.6909 | 2.2320 | 0.4692 |
| dtype_of_surgery | 1.4723 | 1.0471 | 2.0702 | 0.0261 |
| eresidual_tumor | 1.6925 | 0.9777 | 2.9298 | 0.0602 |
| fradiation_therapy | 0.3821 | 0.1620 | 0.9009 | 0.0279 |
| gcancer_status | 4.6081 | 2.1332 | 9.9540 | 0.0001 |
| hhistory_of_pancreatitis | 0.9945 | 0.3921 | 2.5224 | 0.9908 |
| iSmoking_history | 0.8730 | 0.7032 | 1.0839 | 0.2186 |
| jriskScore | 1.0578 | 1.0329 | 1.0833 | <0.0001 |
| Multivariate | ||||
| astage | 1.5099 | 0.7560 | 3.0160 | 0.2431 |
| bgrade | 1.5199 | 0.9647 | 2.3945 | 0.0711 |
| ctumor_diameter | 1.3234 | 0.6936 | 2.5251 | 0.3952 |
| dtype_of_surgery | 1.2330 | 0.8609 | 1.7659 | 0.2532 |
| eresidual_tumor | 1.2787 | 0.6923 | 2.3618 | 0.4322 |
| fradiation_therapy | 0.4114 | 0.1684 | 1.0055 | 0.0514 |
| gcancer_status | 3.0927 | 1.3312 | 7.1853 | 0.0087 |
| hhistory_of_pancreatitis | 0.9527 | 0.3557 | 2.5512 | 0.9231 |
| iSmoking_history | 0.8262 | 0.6477 | 1.0538 | 0.1241 |
| jriskScore | 1.0347 | 1.0059 | 1.0642 | 0.0176 |
astage, stage I, stage II, stage III, stage IV; bhistologic_grade, G1, G2, G3, G4; cmaximal tumor diameter, <3.5, ≥3.5; dtype_of_surgery, distal pancreatectomy, total pancreatectomy, Whipple, other method; eresidual_tumor, R0, R1, R2; fradiation_therapy, no, yes; gcancer_status, tumor free, with tumor; hhistory_of_pancreatitis, no, yes; iSmoking_history, I/II/III/IV/V; jriskScore, risk scores of each patient were calculated with the help of “predict” function in R