Cost effectiveness of community-based therapeutic care for children with severe acute malnutrition in Zambia: decision tree model

Table 4 Sensitivity analysis: cost per life saved for different values of model parameters

	Parameter values			Incremental cost effectiveness ratio ($ per life saved)
	Base	Minus 50%	Plus 50%	Low	High	Range
Outcome probabilities
Death rate within a year without CTC HIV- *	0.18	0.09**	0.27	17502**	927	16576
Relative risk of death if HIV+, no CTC *	2	1	3	2300	1426	874
Refer to hospital from CTC	0.059	0.030	0.089	1479	2100	622
Death within a year if recover with CTC	0.0364	0.0182	0.0546	1520	2091	571
HIV prevalence*	0.15	0.075	0.225	1994	1575	419
Death during CTC	0.026	0.013	0.039	1586	1978	392
Death rate in hospital	0.37	0.185	0.555	1608	1944	337
Death rate among defaulters	0.045	0.022	0.067	1703	1821	118
Default from CTC	0.173	0.087	0.260	1721	1802	82
Costs
Weeks of CTC – Recovered	6.6	3.3	9.9	1419	2101	682
RUTF per Kg ($)	6.20	3.10	9.30	1445	2075	630
Mean Kg of RUTF per child per week	1.90	0.95	2.85	1445	2075	630
Valid cost per child ($)	68.69	34	103	1462	2058	597
Hospital cost per day ($)	41.35	20.68	62.03	1612	1908	297
Days in hospital	14	7	21	1612	1908	297
Costs per health centre visit ($)	4.24	2.12	6.36	1647	1873	227
Weeks of CTC – Defaulted	5.1	2.6	7.7	1699	1821	123
Weeks of CTC – Referred	4.8	2.4	7.2	1740	1780	39
Weeks of CTC – Died	3.6	1.8	5.4	1754	1767	13
Community mobilisation per child $	1.06	0.5	1.6	1755	1765	9

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