Table 9:

Cost Items of Home-Based Subcutaneous Immunoglobulin

Cost Items	Unit Price	Resource Use Per Year	Cost
1. Medication (immunoglobulin)
Adult patients35,41	$50.69/g	336g(0.4 g/kg × 70 kg × 12 mo)	$17,032.72
Pediatric patients35,41	$50.69/g	192g(0.4g/kg × 40kg × 12 mo)	$9,733.26
2. Nursing hours per year
First year	$58.88/hr	13 hr	$765.40
Subsequent years	$58.88/hr	7 hr	$412.14
3. Infusion supply
Infusion pump and materials38	$2,000/yr	—	—
Manual push38	$200/yr	—	—
Adult patients38,45	—	Pump: 70%; Manual: 30%	$1,460 [(2,000 × 0.7) + (200 × 0.3)]
Pediatric patients38,45	—	Pump: 90%; Manual: 10%	$1,820 [(2,000 × 0.9) +(200 ×0.1)]
Covered by hospital (estimated)	—	—	20% of total supply cost
4. Transportation of nurse's visit to patient's home (estimated)	$15/visit	2 visits	$30
5. Transportation of patient's visit to hospital in the first year
Adult patients35	$11.93/visit	2 visits	$23.85
Pediatric patients (with parents)35	$14.91/visit	2 visits	$29.81
6. Productivity costs (unpaid time)
Infusion pump (per year)43	$14.82/hour	78 hr (1.5 hr × 52 wk)	$1,155.96
Manual push (per year)43	$14.82/hour	26 hr (0.5 hr × 52 wk)	$385.32
Adult patients43	—	—	$924.77 [(1,155.96 × 0.7) + (385.32× 0.3)]
Caregivers for pediatric patient43	—	—	$1,078.90 [(1,155.96 × 0.9) + (385.32× 0.1)]

Note: Numbers may be inexact due to rounding.