Table 1.

Summary of Asthma Prevalence Data by Measures of COVID-19 Severity

	Hospital Admission*		COVID-19 Severity†		COVID-19 Survival‡
	Hospitalized	Not Hospitalized	Severe	Not Severe	Died	Survived
Asthma prevalence, %	10.0 (8.0–12.2)	9.5 (8.0–11.0)	9.9 (7.8–12.3)	8.2 (7.0–10.0)	7.1 (5.6–8.8)	8.6 (7.0–10.3)
Pooled prevalence ratio	1.06 (0.94–1.19); P = 0.37		1.18 (0.98–1.42); P = 0.07		0.89 (0.77–1.02); P = 0.09

Definition of abbreviation: COVID-19 = coronavirus disease.

Numbers in the parentheses are 95% confidence intervals.

^*Hospitalization: 26 studies, n = 385,737.

^†Severity (among patients who survived during the study period): 42 studies, n = 180,770.

^‡Mortality: 43 studies, n = 311,732.