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Table 1 Criteria Used for Categorizing the Clinical Severity of Asthmatic Patients

From: Skin Test Reactivity to Indoor Allergens Correlates with Asthma Severity in Jeddah, Saudi Arabia

Severity Level

Day Symptoms

Night Symptoms

PEF

Mild intermittent

≤2 times/week

≤2 times/month

≥80%

Mild persistent

>2 times/week but <1 time/day

>2 times/month

≥80%

Moderate persistent

Daily

>1 time/week

>60 to <80%

Severe persistent

Continuous

Frequent

≤60%

  1. PEF = peak expiratory flow.