Table 2.

12-Month Average Cost by Pathway Status

Charge Category	12-Month Average Cost ($)		Comparison of Cost
	On Pathway (n = 1,095)	Off Pathway (n = 314)	Cost Difference ($; on − off)	Cost Ratio (on/off)	95% CI* for Cost Ratio
Outpatient visits	1,124	1,060	64	1.06	0.99 to 1.11
Acute care visits	437	364	73	1.20	0.95 to 1.46
Chemotherapy	11,839	18,762	−6,923	0.63	0.55 to 0.76
Other medication	4,374	7,198	−2,824	0.61	0.52 to 0.74
ESAs	1,011	1,867	−856	0.54	0.42 to 0.69
CSFs	1,867	2,951	−1,083	0.63	0.52 to 0.83
Laboratory procedures	223	295	−73	0.75	0.67 to 0.84
Minor procedures	33	43	−10	0.78	0.66 to 0.92
Nursing care/hospice	2.68	2.16	0.52	1.24	0.14 to 15.20
Other	1.25	0.99	0.25	1.25	0.39 to 9.04
G codes	7.86	11.94	−4.08	0.66	0.40 to 1.27
Total cost	18,042	27,737	−9,695	0.65	0.58 to 0.76

Abbreviations: ESA, erythropoietin stimulating agent; CSF, WBC growth factor.

^*95% CIs calculated using percentile method using 10,000 bootstrap samples.