Table 2 Definition of the symptom severity stages
Score | Severity |
|---|---|
0 | Absent symptoms: no sign/symptom evident |
1 | Mild symptoms: sign/symptom clearly present, but minimal awareness, easily tolerated |
2 | Moderate symptoms: definite awareness of sign/symptom that is bothersome, but tolerable |
3 | Severe symptoms: sign/symptom that is hard to tolerate; causes interference with the activities of daily living and/or with sleeping |