| Score | Category | Definition |
| 3 | Dominant | The suspected symptoms were the main reason for admission, and no other symptoms contributed significantly |
| 2 | Partly contributing | The suspected symptoms played a substantial role in admission, but other factors also contributed significantly |
| 1 | Less important | The suspected symptoms played a minor or uncertain role, and the patient would probably have been admitted without them |
| 0 | Not contributing | Other symptoms/circumstances were the reason for hospitalisation |