Variables | N = 351 |
---|---|
Age | 63.3 ± 9.3 |
Sex | |
- Female | 148 (42.2%) |
- Male | 203 (57.8%) |
Body mass index, kg/m2 | 22.9 ± 2.7 |
ECOG | |
- 0 | 289 (82.3%) |
- 1 | 62 (17.7%) |
Charlson’s comorbidity index | 4.6 ± 1.3 |
Tumor location | |
- Head/uncinate | 225 (64.1%) |
- Body | 62 (17.7%) |
- Tail | 52 (14.8%) |
- Overlapping | 12 (3.4%) |
Surgery type | |
- Pancreaticoduodenectomy | 232 (66.1%) |
- Distal pancreatectomy | 107 (30.5%) |
- Total | 7 (2.0%) |
- Subtotal | 4 (1.1%) |
- Central pancreatectomy | 1 (0.3%) |
Histologic grade | |
- Well differentiated | 28 (8.0%) |
- Moderately differentiated | 289 (82.3%) |
- Poorly differentiated | 31 (8.8%) |
- Undifferentiated | 3 (0.9%) |
pT stage (AJCC 8th) | |
- 1a / 1b / 1c | 2 (0.6%) / 4 (1.1%) / 61 (17.4%) |
- 2 | 235 (67.0%) |
- 3 | 45 (12.8%) |
- 4 | 4 (1.1%) |
Number of examined LNs | 18.4 ± 11.7 |
Number of involved LNs | 1.8 ± 2.6 |
pN stage (AJCC 8th) | |
- 0 | 150 (42.7%) |
- 1 | 135 (38.5%) |
- 2 | 66 (18.8%) |
LNR | 0.1 ± 0.2 |
LODDS | −1.0 ± 0.5 |
Lymphovascular invasion | 158 (45.0%) |
Perineural invasion | 293 (83.5%) |
Preoperative laboratory findings | |
- WBC, 103/μL | 6.2 ± 1.9 |
- Hemoglobin, g/dL | 12.9 ± 1.5 |
- Platelet, 103/μL | 248.0 ± 79.5 |
- Albumin, g/dL | 4.2 ± 3.4 |
- Total bilirubin, mg/dL | 2.2 ± 3.5 |
- AST, IU/L | 43.1 ± 49.0 |
- ALT, IU/L | 65.7 ± 92.6 |
- ALP, IU/L | 157.0 ± 162.7 |
- CA 19-9, U/mL | 642.3 ± 1563.6 |
- CEA, ng/mL | 21.5 ± 300.0 |