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Correlation between tumor markers and overall survival.
| Parameter | Number of patients | Number of deaths | Hazard ratio | Lower CI | Upper CI | P value |
|---|---|---|---|---|---|---|
| CgA | 49 | 6 | 1.000 | 1.000 | 1.000 | 0.700 |
| PP | 28 | 3 | 1.002 | 0.991 | 1.013 | 0.731 |
| Gastrin | 32 | 8 | 1.001 | 1.000 | 1.002 | 0.427 |
CI=confidence interval; CgA=chromogranin A; PP=pancreatic polypeptide
