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Volume 2, Number 1—January 1996

Unexplained Deaths Due to Possibly Infectious Causes in the United States: Defining the Problem and Designing Surveillance and Laboratory Approaches

Bradley A. Perkins*, Jennifer M. Flood†, Richard Danila‡, Robert C. Holman*, Arthur L. Reingold†, Laura A. Klug*, Michael Virata§, Paul R. Cieslak¶, Sherif R. Zaki*, Robert W. Pinner*, Rima F. Khabbaz*, and the Unexplained Deaths Working Group1
Author affiliations: *National Center for Infectious Diseases, Centers for Disease Control and Prevention, USA, Atlanta, Georgia; †School of Public Health, University of California at Berkeley, California, USA; ‡ Minnesota Department of Health, Minneapolis, Minnesota, USA; §Yale University School of Medicine, New Haven, Connecticut, USA ¶Oregon Department of Human Resources, Portland, Oregon, USA

Main Article

Table 3

Of selected ICD-9 codes, disease classifications accounting for most unexplained deaths due to possibly infectious causes (UDPIC) in the four study sites, 1992

  UDPIC with ICD-9 code included on death record by age group (%)
Disease classification (ICD-9)*
1-49 yr;
n = 744
1-14 yr;
n = 75
15-39 yr;
n = 295
40-49 yr;
n = 374
Respiratory failure (799.1) 205 (28) 14 (19) 91 (31) 100 (27)
Unspecified septicemia (038.9) 108 (14) 8 (11) 42 (14) 58 (16)
Pneumonia, organism unspecified (486) 101 (14) 7 (9) 33 (11) 61 (16)
Other primary cardiomyopathy (425.4) 84 (11) 5 (7) 26 (9) 53 (14)
Shock without mention of trauma (785.5) 83 (11) 10 (13) 29 (10) 44 (12)
Other unknown or unspecified (799.9) 75 (10) 9 (12) 35 (12) 31 (8)
505 (68)
39 (52)
193 (65)
273 (73)
*More than one of these disease classifications (ICD-9 code) may be listed on a death record.
†UDPIC with at least one of the six disease classifications included on the death record.

Main Article

1The Unexplained Deaths Working Group: Grechen Rothrock, University of California at Berkeley; Duc Vugia, California Department of Health Services; James Hadler, Matt Cartter, Connecticut Department of Public Health and Addiction Services; James Meek, Robin Ryder, Mark Wilson, Yale University School of Medicine; Michael Osterholm, Kristine L. MacDonald, Jean Rainbow, Norman Crouch, Kathy LeDell, Minnesota Department of Health; David Fleming, Katrina Hedberg, Oregon Health Division; Don Brenner, Mark Eberhard, James Olson, Pierre Rollin, R. Gibson Parrish, CDC.

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