Table I.
Correlation of serum levels of sPD-1 and sPD-L1 with overall survival in pancreatic cancer.
| Study | Blood samples | Correlation with overall survival (OS) | Follow up (median) (months) | Overall survival (OS)(months) | Cohort study (Reference) | |
|---|---|---|---|---|---|---|
| sPD-1 | sPD-L1 | |||||
| 1 | 41 | No correlation | No correlation | 24.7(95%CI, 19.6–30.0) | 9.53(95%CI, 5.06–13.99) for low sPDl1/sPD-1(20) 11.93(95%CI, 6.41–17.44) for high sPD-L1/sPD-1(21) |
Prospective [68] |
| 2 | 59 | Negative correlation | Negative correlation | - | 6.9 (95%CI, 4.4–10.19) | Prospective [67] |
| 3 | 60 | Negative correlation | No correlation | 11.4 | 10.3 (95%CI, 8.5–12.1) | Prospective [69] |