Table 2.
Healthcare Costs and Utilization in the 12 Months after the AF Index
| Cost component | Study sample (N = 9455) | Cohort 1 (n = 8905) | Cohort 2 (N = 276) | Cohort 3 (N = 261) | Cohort 4 (N = 13) |
|---|---|---|---|---|---|
| Mean (SD) healthcare cost per member in the 12 mo after the AF index | |||||
| Total cost, $ | 37,157 (42,920) | 35,474 (41,875) | 64,596 (51,594) | 63,781 (48,422) | 72,984 (46,418) |
| Inpatient facility, $ | 18,592 (30,159) | 17,628 (29,742) | 34,919 (31,291) | 33,242 (33,908) | 38,152 (31,217) |
| Skilled nursing facility, $ | 5269 (11,659) | 4806 (11,014) | 10,791 (16,800) | 14,621 (18,141) | 17,796 (23,515) |
| Home health, $ | 2 (44) | 2 (44) | 0 (0) | 4 (42) | 35 (92) |
| Emergency department, $ | 402 (539) | 385 (527) | 676(716) | 683 (554) | 692 (499) |
| Outpatient facility, $ | 2782 (6096) | 2765 (6068) | 2840 (5878) | 3292 (7274) | 2927 (3908) |
| Professional services, $ | 7031 (8487) | 6819 (8311) | 11,647 (12,440) | 9215 (7678) | 10,451 (6110) |
| Pharmaceutical, $ | 3080 (3450) | 3070 (3378) | 3723 (5734) | 2724 (2459) | 2931 (3163) |
| Site-of-care utilization | |||||
| Mean inpatient admissions per member, N (SD) | 1.7 (1.8) | 1.6 (1.7) | 3.7 (2.4) | 3.4 (2.3) | 4.5 (2.5) |
| Median inpatient admissions per member, N | 1 | 1 | 3 | 3 | 5 |
| Mean emergency department visits per member, N (SD) | 0.8 (1.4) | 0.8 (1.4) | 1.1 (1.8) | 1.1 (1.4) | 1.4 (2.1) |
| Median emergency department visits per member, N | 0 | 0 | 1 | 1 | 1 |
| Mean office visits per member, N (SD) | 12.7 (10.7) | 12.8 (10.8) | 12.8 (10.8) | 10 (9.2) | 9.3 (8) |
| Median office visits per member, N | 11 | 11 | 11 | 8 | 8 |
AF indicates atrial fibrillation; SD, standard deviation.