TABLE 2.
Health Care Resource Utilization and Costs Assessed During the 1-Year Baseline Period
| Characteristic | Overall N = 791 | Nonswitchers n = 420 | Switchers n = 122 | Discontinuers n = 249 |
|---|---|---|---|---|
| Total all-cause health care resource utilization per patient per year, mean (SD), n | ||||
| Hospitalizations | 0.13 (0.42) | 0.11 (0.37) | 0.16 (0.49) | 0.14 (0.47) |
| ED visits | 0.51 (1.19) | 0.43 (1.17) | 0.54 (0.93)a | 0.63 (1.33)a |
| Outpatient visits | 31.31 (22.69) | 29.29 (21.70) | 36.35 (23.44)a | 32.24 (23.57) |
| Total all-cause health care costs, mean (SD), $ b | 25,679 (35,255) | 23,893 (34,503) | 35,968 (47,220)a | 23,651 (28,259) |
| Pharmacy costs | 7,254 (13,861) | 7,006 (13,729) | 10,609 (17,863)a | 6,029 (11,433) |
| Medical costsc | 18,425 (31,133) | 16,886 (29,281) | 25,359 (44,998)a | 17,622 (24,957) |
| ED costs | 1,122 (3,891) | 1,097 (4,301) | 982 (2,262)a | 1,232 (3,803)a |
| Inpatient costs | 3,936 (17,388) | 3,325 (13,008) | 7,577 (33,373) | 3,183 (11,227) |
| Outpatient costs | 13,367 (21,226) | 12,464 (21,313) | 16,800 (24,529)a | 13,207 (19,156) |
a P < 0.05 vs. nonswitchers.
b Total health care costs include medical and outpatient pharmacy costs.
c Medical costs include ED, inpatient, and outpatient costs.
ED = emergency department.