Table 5.

Cost-effectiveness estimates

Study	OR of postintervention to preintervention	Observed deaths	Estimated counterfactual deaths	Estimated deaths averted	DALYs averted	Cost per DALY averted (without solar)	Cost per DALY averted (with solar)
Under-5 pneumonia mortality
Duke11	0.64	133	208	75	2469	US$44	N/A
Gray13	0.32	6	19	13	421	US$225	N/A
Graham14	0.46	87	189	102	3370	US$68	$205
Duke12	0.41	153	373	220	7266	US$68	$222
Paediatric all-cause mortality
Duke11	0.72	481	668	187	6173	US$18	N/A
Duke12	0.60	867	1445	578	19 074	US$26	$85

DALYs, disability-adjusted life-years; N/A, not available.