Asthma in Australia 2008 

Table 3.5
National Asthma Council Australia Asthma Management Handbook assessment of asthma severity in newly diagnosed adults

Feature

Intermittent

Mild persistent

Moderate persistent

Severe persistent

Daytime asthma symptoms

Less than weekly

More than weekly and less than daily

Daily

Daily—physical activity is restricted

Night-time asthma symptoms

Less than 2 per month

More than twice a month but not weekly

Weekly or more often

Frequent

Exacerbations

Infrequent

Brief

Occasional

May affect activity or sleep

Occasional

May affect activity or sleep

Frequent

Spirometry

    FEV1

    FEV1 variability

 

At least 80% predicted

Less than 20%

 

At least 80% predicted

20–30%

 

60–80% predicted

More than 30%

 

60% predicted or less

More than 30%

Note: FEV1 = forced expiratory volume in 1 second.

Source: NAC 2006.

 

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© Australian Institute of Health and Welfare 2008