Table 2.
Comparison of Clinical Characteristics after Propensity Score Matching
| Variable | EOPC N = 3172 | LOPC N = 3172 | P value |
|---|---|---|---|
| Age, years (range) | 46 (19–49) | 67 (50–96) | |
| Male gender | 1844 (58.1%) | 1844 (58.1%) | 1.000 |
| Tumor location (pancreatic head) | 1772 (55.9%) | 1772 (55.9%) | 1.000 |
| Tumor size > 2 cm | 2892 (91.2%) | 2892 (91.2%) | 1.000 |
| AJCC stage 7th edition | 1.000 | ||
| I | 147 (4.6%) | 147 (4.6%) | |
| II | 943 (29.7%) | 943 (29.7%) | |
| III | 373 (11.8%) | 373 (11.8%) | |
| IV | 1709 (53.9%) | 1709 (53.9%) | |
| Surgery | 869 (27.4%) | 869 (27.4%) | 1.000 |
| Radiation therapy (yes vs no*) | 855 (27.0%) | 855 (27.0%) | 1.000 |
| Chemotherapy (yes vs no*) | 2429 (76.6%) | 2429 (76.6%) | 1.000 |
Qualitative data are expressed as N (%) and quantitative data as median (range). *No evidence of radiotherapy or chemotherapy was found in the medical records examined. EOPC, early-onset pancreatic cancer; LOPC, later-onset pancreatic cancer