Diagnostic index for ADPSP
| ADPSP 3 | All four obligatory signs are found at  examination |
|---|---|
| ADPSP 2 | Three of the obligatory signs are found |
| ADPSP 1 | Two of the obligatory signs are found |
| ADPSP 0-1 | One of the obligatory signs is found |
| ADPSP 0 | No symptoms or signs of ADPSP |