Table 4.
Difference-in-differences generalized linear model estimates for total healthcare costs with Puhani Recycled Predictions, excluding patients with COPD exacerbations 3 months prior to Index (Sensitivity Analysis)
| QT Cohort vs. CS Cohort | SW Cohort vs. CS Cohort | |||||
|---|---|---|---|---|---|---|
| Estimate | SE | p-value | Estimate | SE | p-value | |
| Cohort (reference = CS) | 0.49 | 0.03 | < 0.001 | 0.48 | 0.11 | < 0.001 |
| Time (reference = pre-index period) | -0.07 | 0.02 | 0.001 | -0.07 | 0.02 | 0.001 |
| Cohort X Time | -0.05 | 0.03 | 0.09 | 0.05 | 0.25 | 0.83 |
| Estimated differences in changes of costs associated with changes in smoking behavior | ||||||
| Cohort (reference = CS) |
-$2,070 (-$4,481, $340) |
1230 | 0.09 |
$2,065 (-$17,606, $21,737) |
10,036 | 0.83 |