Types | Respiratory rate (based on age) | Lung function | Symptom frequency | Severity | Night time awakening | Pulse rate | References |
---|---|---|---|---|---|---|---|
Mild intermittent | No change or slightly increased | Almost normal | May happen 2 days a week | Does not affect regular activities | 2 or fewer times each month | < 100 | |
Mild persistent | Increased | 80% of normal or greater | More than twice a week | Minor impact on regular activities | 3 or 4 times | 100–120 |  |
Moderate persistent | Increased often > 30 | Between 60–80% | On a daily basis | Limits daily activities somewhat | More often than once a week | > 120 |  |
Severe persistent | Normal or decreased | Less than 60% | Symptoms will arise throughout the day | Significantly limits daily activities | Every night | Bradycardia | Â |