Table 1.
Demographic and pathologic findings in two groups.
| Variables | High-PNI (n=57) |
Low-PNI (n=65) |
P-value |
|---|---|---|---|
| Gender (Male/Female) | 25/32 | 37/28 | 0.15 |
| Age (Year) | 65.6±9.1 | 59.0±10.3 | 0.55 |
| Preoperative leucocytes(×109 /L) | 1.1±0.5 | 1.7±0.5 | 0.56 |
| Preoperative albumin (g/L) | 33.7±3.1 | 40.7±4.1 | 0.62 |
| Preoperative CA19-9 (U/ml) | 204.0(32.7,735.4) | 175.5(30.8,693.1) | 0.91 |
| Preoperative drainage for jaundice (Yes/No) |
11/46 | 14/51 | 0.76 |
| Child-Pugh grade(A/B) | 44/13 | 51/14 | 0.87 |
| History of diabetes (Yes/No) | 19/38 | 20/45 | 0.76 |
| neoadjuvant chemotherapy (Yes/No) | 9/48 | 13/52 | 0.54 |
| Intraoperative blood loss (ml) | 500 (400,950) | 600 (400,1000) | 0.70 |
| Blood transfusion (Yes/No) | 27/30 | 37/28 | 0.29 |
| Operative time (h) | 12.0 (10.0, 14.7) | 12.0 (11.0, 14.0) | 0.57 |
| Tumour size (cm) | 3.7 (3.0, 5.0) | 3.5 (3.0, 4.3) | 0.07 |
| Tumour differentiation (poor/ moderate - high) | 22/35 | 22/43 | 0.58 |
| Pancreatic resection margin (R0/R1) | 53/4 | 60/5 | 0.88 |
| Lymph node metastasis (Yes/No) | 41/16 | 42/23 | 0.38 |
| Postoperative complications (Yes/No) | 16/41 | 20/45 | 0.74 |
| Postoperative hospital stays (d) | 21.0 (15.0, 32.0) | 23.0 (16.3, 38.3) | 0.22 |
| Postoperative chemotherapy (Yes/No) | 31/26 | 18/47 | 0.003 |
| Postoperative tumor recurrence (Yes/No) | 12/45 | 40/25 | <0.001 |