Table 1 Four-point scale used to evaluate the severity of nasal symptoms in study groups
From: Can nasal nitric oxide be a biomarker to differentiate allergic and non-allergic rhinitis?
Score description | |
|---|---|
0 None | No sign or symptom evident |
1 Mild | Sign or symptom clearly present but minimal awareness; easily tolerated |
2 Moderate | Definite awareness of sign or symptom which is bothersome but tolerable |
3 Severe | Sign or symptom is hard to tolerate; causes interference with activities of daily living and/or sleeping |