Table 4.
Risk factors for unresectability of synchronous liver metastasis from pancreatic ductal adenocarcinoma
| Parameter | Simultaneous resections (Group A) | Palliative surgical bypass (Group B) | P value (univariate) |
| n = 30 | n = 39 | ||
| Age, yr | |||
| ≤ 62 | 20 | 12 | |
| > 62 | 10 | 27 | 0.004 |
| Sex | |||
| Male | 20 | 27 | |
| Female | 10 | 12 | 0.821 |
| BMI | |||
| < 18 kg/m2 | 2 | 4 | 0.664 |
| 18-25 kg/m2 | 23 | 31 | |
| > 25 kg/m2 | 5 | 4 | 0.472 |
| Smoke | |||
| No | 23 | 27 | |
| Yes | 7 | 12 | 0.494 |
| ASA | |||
| I | 11 | 10 | |
| II-III | 19 | 29 | 0.326 |
| CA19-9 | |||
| ≤ 400 U/mL | 22 | 18 | |
| > 400 U/mL | 8 | 21 | 0.026 |
| CA125 | |||
| ≤ 38 U/mL | 11 | 9 | |
| > 38 U/mL | 19 | 30 | 0.221 |
| CA125 | |||
| ≤ 62 U/mL | 21 | 11 | |
| > 62 U/mL | 9 | 28 | 0.001 |
| CEA | |||
| ≤ 5 U/mL | 22 | 20 | |
| > 5 U/mL | 8 | 19 | 0.066 |
| Fibrinogen | |||
| ≤ 4.0 g/L | 21 | 29 | |
| > 4.0 g/L | 9 | 10 | 0.688 |
| NLR | |||
| ≤ 5 | 26 | 33 | |
| > 5 | 4 | 6 | 0.811 |
| PLR | |||
| ≤ 150 | 17 | 19 | |
| > 150 | 13 | 20 | 0.513 |
| PNI | |||
| > 45 | 22 | 20 | |
| ≤ 45 | 8 | 19 | 0.066 |
| Platelet | |||
| ≤ 250 × 109/L | 26 | 27 | |
| > 250 × 109/L | 4 | 12 | 0.097 |
| Albumin | |||
| > 35 g/L | 23 | 19 | |
| ≤ 35 g/L | 7 | 20 | 0.021 |
| Diabetes mellitus | |||
| No | 17 | 22 | |
| Yes | 13 | 17 | 0.983 |
| Pancreatitis | |||
| No | 22 | 20 | |
| Yes | 8 | 19 | 0.066 |