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.