| Symptom group | +ve patients for cancer (n: 53) | −ve patients for cancer (n: 516) | PPV % for cancer detection |
| Group (1) | 0 | 199 | 0 |
| Group (2) | 0 | 27 | 0 |
| Group (3) | 2 | 157 | 1.25 |
| Group (4) | 6 | 11 | 35.2 |
| Group (5) | 45 | 122 | 26.9 |