Table 3.
Incremental Cost of the 4 Study Cohorts
| Cohort | Members, N | Average HCC score | Total allowed costs per member in the 12 months after AF index | ||||
|---|---|---|---|---|---|---|---|
| Unadjusted total all-cause postindex mean cost, $ | Difference in mean cost vs patients with no stroke or bleeding claims after adjusting for HCC | ||||||
| Mean estimate, $ | 95% CI, lower bound, $ | 95% CI, upper bound, $ | Probability that cohort 1 is more expensive | ||||
| 1 | 8905 | 1.83 | 35,474 | ||||
| 2 | 276 | 2.17 | 64,596 | 26,168 | 20,375 | 31,961 | <.001 |
| 3 | 261 | 2.00 | 63,781 | 26,776 | 20,785 | 32,767 | <.001 |
| 4 | 13 | 1.91 | 72,984 | 36,723 | 10,715 | 62,731 | .005 |
AF indicates atrial fibrillation; CI, confidence interval; HCC, Hierarchical Condition Categories.