Table 4.
Adjusted incremental hospital costs associated with treating patients with different patient factors and particular complications of TAVR, as obtained from multivariable regression models
| Saturated Model* | Reduced Model* | |||||
|---|---|---|---|---|---|---|
|
|
||||||
| Complication | Incremental Cost | 95% CI | Attributable Cost | Incremental Cost | 95% CI | Attributable Cost |
| Death | $42,199 | ($26,001 to $58,397) | $2,114 | $42,008 | ($25,981 to $58,035) | $2,104 |
| Major stroke | $15,231 | (−$2,953 to $33,415) | $499 | $16,272 | (−$1,699 to $34,243) | $533 |
| Minor stroke | $3,120 | (−$25,531 to $31,772) | $42 | |||
| Major vascular | −$4,358 | (−$17,407 to $8,690) | −$563 | |||
| Minor vascular | $5,424 | (−$6,499 to $17,348) | $460 | |||
| Major bleeding | $35,823 | ($21,868 to $49,778) | $4,348 | $32,869 | ($22,010 to $43,728) | $3,990 |
| Renal insufficiency | $1,270 | (−$15,258 to $17,797) | $61 | |||
| Renal failure | $69,097 | ($47,366 to $90,828) | $1,997 | $68,051 | ($46,805 to $89,297) | $1,967 |
| Arrhythmia | $16,475 | ($7,283 to $25,667) | $2,857 | $16,067 | ($7,366 to $24,768) | $2,786 |
| Pacemaker | −$7,170 | (−$26,279 to $11,939) | −$276 | |||
| Repeat TAVR | $119,766 | ($73,106 to $166,426) | $692 | $119,905 | ($74,311 to $165,499) | $693 |
| Surgical AVR | $27,477 | ($2,873 to $52,081) | $424 | $26,070 | ($1,682 to $50,458) | $402 |
| Total cost of complications | $12,655 | $12,475 | ||||
*
Models adjusted for age, sex, prior bypass surgery, peripheral vascular disease, diabetes, and STS mortality risk score R2 of saturated model=0.41: R2 of reduced model=0.41