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Volume 23, Number 6—June 2017

Research

Stockpiling Ventilators for Influenza Pandemics

Hsin-Chan Huang1Comments to Author , Ozgur M. Araz, David P. Morton, Gregory P. Johnson, Paul Damien, Bruce Clements, and Lauren Ancel Meyers
Author affiliations: The University of Texas at Austin, Austin, Texas, USA (H.-C. Huang, G.P. Johnson, P. Damien, L.A. Meyers); University of Nebraska, Lincoln, Nebraska, USA (O.M. Araz); University of Nebraska Medical Center, Omaha, Nebraska, USA (O.M. Araz); Northwestern University, Evanston, Illinois, USA (D.P. Morton); Department of State Health Services, Austin (B. Clements); Santa Fe Institute, Santa Fe, New Mexico, USA (L.A. Meyers)

Main Article

Table 2

Central stockpile size, as a percentage of total stockpile, as a function of wastage and region-to-region correlation in peak ventilator demand during an influenza pandemic, Texas, USA*

Wastage, %
Central stockpile, %
Region-to-region correlation = 0.55
Region-to-region correlation = 0.70
Region-to-region correlation = 0.85
40 2.8 1.5 0.2
30 4.7 2.9 0.9
20 7.0 4.4 2.0
10 9.8 6.7 3.5
1 18.0 13.5 10.1
0.5 25.4 20.6 17.0
0.3 32.8 27.4 22.7
0.2 48.2 43.9 39.3
0.1 100 100 100

*The results in this table are based on a mild pandemic scenario and a limit on expected unmet demand of 5 patients. Bold indicates the baseline value.

Main Article

1Current affiliation: Precima, LoyaltyOne US, Inc., Chicago, IL, USA.

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