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Volume 4, Number 2—June 1998

Synopsis

Hospitalizations for Unexplained Illnesses among U.S. Veterans of the Persian Gulf War

James D. KnokeComments to Author  and Gregory C. Gray
Author affiliations: Naval Health Research Center, San Diego, California, USA

Main Article

Table 1

Frequencies of the 10 most common diagnoses for first hospitalizations with an unexplained illness, considering all eight coded diagnosesa

Frequency
Percentage of all diagnoses
ICD-9 Code Description Total Deployed Non- deployed Deployed Non-deployed
008.8 Unspecified intestinal infections 2286 581 1705 8.7 9.1
047.9 Unspecified viral meningitis 946 236 710 3.5 3.8
079.9 Unspecified viral infections 3540 896 2644 13.4 14.1
465.9 Acute URIb, unspecified site 1999 527 1472 7.9 7.8
486 Pneumonia, organism unspecified 2840 719 2121 10.8 11.3
780.6 Pyrexia of unknown origin 961 233 728 3.5 3.9
785.6 Enlarged lymph nodes 1587 423 1164 6.3 6.2
786.0 Dyspnea 2736 703 2033 10.5 10.8
792.3 Nonspecific abnormal amniotic fluid 1317 188 1129 2.8 6.0
799.9 Illness of unknown cause 892 555 337 8.3 1.8
Subtotal 19,104 5061 14,043 75.9 74.6
Other 6391 1611 4780 24.1 25.4
Total 25,495 6672 18,823 100.0 100.0

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