Table 1

Scoring key for diary card recordings of symptoms, bronchodilator usage, and peak expiratory flow (PEF) rates10

ScoreSymptomsBronchodilator usageMin morning PEF as % of best*
*“Best” includes clinic spirometric tests and all PEF records.
0NilNil>93%
1No night symptoms; daytime symptoms ≤2 times (in 2/52)Used on ≤2 days (in 2/52)>85 and ≤93%
2No 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%
3Night 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%
4Daytime symptoms every day OR night symptoms >2 times
(in 2/52)
Used on >10 days, average 3 times or more per day≤70%