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Levels of asthma control.
| Characteristic | Controlled | Partly controlled | Uncontrolled |
|---|---|---|---|
| Daytime symptoms | None, twice or less/week | More than twice /week | Three or more features of partly controlled asthma |
| Limitation of activities | None | Any | |
| Nocturnal symptoms/awakening | None | Any | |
| Need for reliever/rescue treatment | None/twice or less/week | More than twice/week | |
| Lung function (PEF or FEV1) | Normal | <80% (predicted or personal best, if known) | |
| Exacerbation | None | >1/year |
