. Author manuscript; available in PMC: 2021 Nov 29.

Published in final edited form as: Acad Pediatr. 2020 Feb 7;20(7):958–966. doi: 10.1016/j.acap.2020.02.003

Table 2.

Comparison of wheezing episodes between children with and without diagnosed asthma

	No Asthma Diagnosis	Asthma Diagnosis
	(n =126,924)	(n=34,578)
Mean number of wheezing episodes (SD)^*	0.5 (1.2)	2.2 (1.6)
Number of wheezing episodes (% of column) ^*
0	94,113 (74.2%)	2,702 (7.8%)
1	16,187 (12.8%)	10,640 (30.8%)
2	7,968 (6.3%)	9,484 (27.4%)
3	4,281 (3.4%)	5,870 (17.0%)
4+	4,375 (3.5%)	5,882 (17.0%)
Mean number of wheezing episodes/year (SD)^*	0.1 (0.4)	1.1 (1.1)

indicates number of events occurring over entire observation interval for “No Asthma Diagnosis” group and number of events before asthma diagnosis for "Asthma Diagnosis" group; SD=standard deviation