Year 2
	Persistent Asthma n = 63,597		Severe Asthma n = 1,762		P Value (Mean)a	P Value (%)a
	Mean [SD]b	% of Patientsc	Mean [SD]b	% Patientsc
All-cause resource use
Inpatient stay, count	0.10 [0.41]	7.7	0.18 [0.57]	12.8	< 0.001	< 0.001
Length of inpatient stay, daysd	8.7 [16.1]		9.0 [13.4]		0.711
ER visit, count	1.14 [3.76]	31.4	1.52 [4.62]	38.4	< 0.001	< 0.001
Office visit, count	13.88 [15.05]	97.1	20.37 [18.49]	98.8	< 0.001	< 0.001
Outpatient visit. count	4.17 [7.25]	60.4	6.66 [10.13]	70.2	< 0.001	< 0.001
Home health service visit, count	0.85 [7.71]	10.3	2.06 [11.61]	17.7	< 0.001	< 0.001
Urgent care visit, count	0.03 [0.31]	1.9	0.05 [0.37]	3.2	0.016	< 0.001
Asthma-related resource use
Inpatient stay, count	0.01 [0.13]	1.1	0.03 [0.23]	2.6	< 0.001	< 0.001
Length of inpatient stay, dayse	8.9 [17.71]		9.4 [13.3]		0.801
ER visit, count	0.06 [0.49]	3.5	0.09 [0.37]	6.4	< 0.001	< 0.001
Office visit, count	1.02 [2.70]	43.2	2.90 [5.74]	66.5	< 0.001	< 0.001
Outpatient visit, count	0.15 [0.8]	6.6	0.42 [1.66]	14.3	< 0.001	< 0.001
Home health service visit, count	0.08 [0.92]	1.4	0.32 [2.09]	4.8	< 0.001	< 0.001
Urgent care visit, count	0.00 [0.07]	0.2	0.00 [0.06]	0.2	0.881	0.788

^a T-test for continuous variables and chi-square test for categorical variables.

^b Mean per patient count of uses among entire cohort.

^c Percentage of patients within each cohort who used the service.

^d Represents length of IP stay only for patients with an inpatient stay. In year 1, 6,629 patients were in the persistent asthma cohort, and 396 patients were in the severe asthma cohort; in year 2, 4,922 patients were in the persistent asthma cohort, and 226 patents were in the severe asthma cohort.

^e Represents length of IP stay only for patients with an inpatient stay. In year 1, 2,282 patients were in the persistent asthma cohort, and 114 patients were in the severe asthma cohort; in year 2, 678 patients in the persistent asthma cohort, and 46 patents were in the severe asthma cohort.

ER = emergency room; SD = standard deviation.