Table 2.

Prioritization of the Key Outcome Measurements for This Single-Question Guideline

Outcome Measurement	Mean	SD	Median	IQR
Asthma control	7.94	2.49	8	2
Use of oral corticosteroids	7.93	2.74	8	0.5
Acute exacerbation rate	7.69	2.64	8.5	2
ER or urgent care visits	7.56	2.33	8	2
Hospitalizations due to asthma	7.25	1.99	8	2.25
Quality of life measures*	6.88	1.79	7	2
Symptom-free days	6.69	2.11	7	2
Days of work/school missed	6.69	2.28	7	2.25
Daily activities/exercise/sports	6.63	2.39	7	1.25
Use of inhaled corticosteroids	6.44	2.28	7	2
Use of rescue medications	6.38	1.72	6.5	3
Patient satisfaction with care	6.25	1.86	6.5	3
Medication-related adverse events	6.13	1.39	6.5	2.25
Medication adherence	6.06	1.30	6	4
Lung function measures†	5.63	2.91	5	1.25
Blood eosinophils	4.81	1.48	4.5	3.25
Asthma-related mortality	4.69	1.20	4.5	4.25
Asthma medication ratio	4.69	0.83	4	3.25
Inhalation technique	4.31	1.20	4.5	3.25

Definition of abbreviations: AQLQ = Asthma Quality of Life Questionnaire; ER = emergency room; IQR = interquartile range.

^*Any validated questionnaire or instrument (e.g., AQLQ or St. George’s questionnaire).

^† FEV₁ or FEV₁/FVC ratio.