Current Gerontology and Geriatrics Research / 2009 / Article / Tab 1

Review Article

Asthma in the Elderly

Table 1

Classification of asthma severity by clinical features [13].

Intermittent
Symptoms less than once a week
Brief exacerbations
Nocturnal symptoms not more than twice a month
FEV1 or PEF > 80% predicted
PEF or FEV1 variability < 20%
Mild Persistent
Symptoms more than once a week but less than once a day
Exacerbations may affect activity and sleep
Nocturnal symptoms more than twice a month
FEV1 or PEF > 80% predicted
PEF or FEV1 variability < 20%–30%
Moderate Persistent
Symptoms daily
Exacerbations may affect activity and sleep
Nocturnal symptoms more than once a week
FEV1 or PEF 60%–80% predicted
PEF or FEV1 variability > 30%
Severe Persistent
Symptoms daily
Frequent exacerbations
Frequent nocturnal asthma symptoms
FEV1 or PEF < 60% predicted
PEF or FEV1 variability > 30%

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