Table 2.
Factors associated with variability in overall ablation cost to the healthcare system, expressed as average percent difference in overall cost
| Variable | % Difference | 95% CI |
|---|---|---|
| Age | –0.009 | –0.112 to 0.094 |
| Male | –1.296 | –3.432 to 0.886 |
| White | 2.671 | –1.679 to 7.215 |
| Operator 1 | 11.961 | 6.033 to 18.219 |
| Operator 2 | 8.647 | 4.336 to 13.135 |
| Operator 3 | 8.026 | 2.708 to 13.621 |
| Operator 4 | 0.166 | –3.084 to 3.524 |
| Operator 5 | 11.558 | 7.497 to 15.773 |
| Operator 6 | 10.685 | 6.319 to 15.23 |
| Beta-blocker | 0.654 | –1.506 to 2.862 |
| Calcium-channel blocker | –0.7 | –2.875 to 1.523 |
| Prior ablation | –0.499 | –2.535 to 1.579 |
| Anticoagulation | –1.509 | –5.146 to 2.267 |
| Antiarrhythmic drugs | –0.401 | –2.508 to 1.75 |
| CHA2DS2-VASc score | –0.342 | –1.008 to 0.328 |
| Prior Cardioversion | 1.477 | –0.649 to 3.65 |
| Left ventricular ejection fraction value | –0.021 | –0.111 to 0.069 |
CHA2DS2-VASc = congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, prior stroke or transient ischemic attack or thromboembolism, vascular disease, age 65-74 years, sex category; CI = confidence interval.