20 million annual spending × 1000x hurdle rate / (71.4 million DALYs/year × $50 thousand (value of DALY) × 10 year duration ) = .00056. Note that we are currently re-examining our value per DALY, but expect that value to either rise or remain the same, so the overall importance of this cause would increase or remain the same.
It seems that footnotes got lost when the article was copied to the forum.
From the original article (scroll to the bottom and expand footnotes)