Score | Symptoms | Bronchodilator usage | Min morning PEF as % of best* |
---|---|---|---|
*“Best” includes clinic spirometric tests and all PEF records. | |||
0 | Nil | Nil | >93% |
1 | No night symptoms; daytime symptoms ≤2 times (in 2/52) | Used on ≤2 days (in 2/52) | >85 and ≤93% |
2 | No night symptoms; daytime symptoms >2 times but ≤10 times (in 2/52) | Used on >2 days but ≤10 days (in 2/52) | >78 and ≤85% |
3 | Night symptoms ≤2 times (in 2/52) OR daytime symptoms >10 times (in 2/52) | Used on >10 days, average 1–2 times/day | >70 and ≤78% |
4 | Daytime symptoms every day OR night symptoms >2 times (in 2/52) | Used on >10 days, average 3 times or more per day | ≤70% |