Table 3.
Economic Outcomes—Predicted Mean Annualized Costs Obtained using Recycled Predictions—Post IPTW and GLM Adjustment.
| Predicted Mean Annualized Cost | aIIV3 n = 798,987 | HD-IIV3e n = 1,655,979 | Incremental Mean | p-Value | ||
|---|---|---|---|---|---|---|
| Mean | 95% CIs | Mean | 95% CIs | |||
| All-cause total | USD 13,196 | USD 13,133–USD 13,260 | USD 13,221 | USD 13,176–USD 13,275 | USD 25.24 | 0.2720 |
| Influenza-related total | USD 21.64 | USD 19.91–USD 23.36 | USD 21.92 | USD 20.79–USD 23.17 | USD 0.28 | 0.4000 |
| Influenza-related hospitalizations | USD 22.98 | USD 19.32–USD 27.21 | USD 22.04 | USD 19.68–USD 24.53 | −USD 0.94 | 0.3200 |
| Influenza-related ER | USD 4.15 | USD 3.73–USD 4.61 | USD 4.44 | USD 4.18–USD 4.74 | USD 0.29 | 0.1280 |
| Influenza-related office visit | USD 2.01 | USD 1.80–USD 2.25 | USD 1.92 | USD 1.77–USD 2.09 | −USD 0.09 | 0.2620 |
| Influenza-related pharmacy | USD 2.75 | USD 2.68–USD 2.81 | USD 2.77 | USD 2.73–USD 2.80 | USD 0.02 | 0.3020 |
Influenza-related total costs = sum of influenza-related component costs (hospitalizations, ER, office visit, pharmacy).