Table 4.

Adjusted 3-year inpatient costs by chronic kidney disease and coronary artery disease treatment group

CAD Group	1 VD	2 VD	3 VD	LMD
Normal-mild CKD
PCI vs. medical ($)
PCI	22,173	30,887	36,930	–
Medical	19,721	23,996	31,337	–
Difference	7,452	6,891	5,593	–
90% CI	3,688; 10,767	2,294; 11,386	−703; 11,267	–
Percent PCI cost-saving	0.3	1.2	7.1	–
CABG vs. medical ($)
CABG	–	35,509	36,949	41,559
Medical	–	25,509	31,586	26,068
Difference	–	9,999	5,363	15,491
90% CI	–	4,972; 15,115	266; 10,391	6,285; 23,902
Percent CABG cost-saving	–	0.1	4.4	0.7
CABG vs. PCI ($)
CABG	–	33,673	36,204	–
PCI	–	30,594	37,765	–
Difference	–	3,079	−1,561	–
90% CI	–	410; 5,676	−6,338; 3,071	–
Percent CABG cost-saving	–	2.9	66.3	–
Moderate–severe CKD
PCI vs. medical ($)
PCI	30,570	35,399	34,699	–
Medical	25,648	38,775	35,486	–
Difference	4,922	−3,375	−787	–
90% CI	−428; 10,128	−14,824; 5,852	−9,073; 6,689	–
Percent PCI cost-saving	6.6	69.0	55.0	–
CABG vs. medical ($)
CABG	–	45,328	59,127	47,331
Medical	–	40,846	35,863	46,781
Difference	–	4,482	23,264	549
90% CI	–	−9,524; 15,871	13,834; 32,539	−35,172; 25,362
Percent CABG cost-saving	–	26.7	0.0	44.4
CABG vs. PCI ($)
CABG	–	42,850	53,800	–
PCI	–	34,475	33,429	–
Difference	–	8,375	20,370	–
90% CI	–	1,570; 16,074	11,501; 28,680	–
Percent CABG cost-saving	–	1.8	0.0	–

CAD Coronary artery disease, VD ventricular, disease LMD left main disease, CKD chronic kidney disease