Table III. Kaplan-Meier analysis for predictors of survival.
| Variables | p-Values for surgery with curative intent group | p-Values for surgically inoperable group | p-Values for all surgical exploration |
|---|---|---|---|
| Age <50 years | 0.04 | ns | ns |
| 21≥BMI<25 | ns | ns | ns |
| Gender | ns | ns | ns |
| Preoperative stenting | ns | ns | 0.03 |
| WCC <9.5×109/l 0.01 | ns | ns | <0.01 |
| Neutrophil <0.6×109/l | 0.01 | ns | <0.01 |
| Lymphocytes >0.9×109/l | ns | ns | ns |
| NLR <3.75 | <0.01 | ns | 0.02 |
| Haemoglobin ≥11.7 g/dl | 0.01 | ns | <0.01 |
| Platelet≥325×109/l | ns | ns | <0.01 |
| Albumin >35 g/dl | ns | ns | ns |
| Bilirubin<25 µmol/l | ns | ns | ns |
| ALP <110 iu/l | ns | ns | 0.03 |
| ALP <50 iu/l | ns | ns | ns |
| Histological grading of tumour | <0.01 | na | <0.01 |
| Clear resection margin (R0) | ns | na | na |
| Tumour size (≤25 mm) | ns | na | na |
| T stage | ns | na | na |
| N stage | <0.01 | na | 0.01 |
| M stage | <0.01 | na | <0.01 |
| Overall TNM stage | 0.03 | na | 0.03 |
| Estimated blood loss ≤300 mls | ns | na | ns |
| Blood transfusion ≤1 unit | ns | na | ns |
na, Not applicable; ns, Statistically not significant