Table 3.
Exposure | Adjustment | No. of AF cases/referents | Estimate of difference in cost (US$) | 95% Confidence interval (US$) | p-value |
---|---|---|---|---|---|
AF, 1993–2009 | Model 1a | 513/513 | 18,060 | 14,965–21,155 | <0.0001 |
Model 2b | 513/513 | 19,070 | 15,236–22,904 | <0.0001 | |
AF, 1999–2009 | Model 2b | 151/151 | 25,340 | 17,472–33,207 | <0.0001 |
Model 1: Adjusted for age, sex, race/ethnicity, and baseline body mass index, smoking, diabetes mellitus, hypertension, ischemic heart disease (angina, unstable angina, myocardial infarction), peripheral vascular disease, heart failure, stroke, transient ischemic attack, chronic obstructive pulmonary disease, chronic kidney disease, dementia, any cancer, pacemaker/automated implantable cardioverter-defibrillator (AICD), and valve replacement.
Model 2: Adjusted for the same characteristics as in Model 1, except that all characteristics were updated to the most recent measure available at the time of AF diagnosis or matching.