Volume 4, Number 2—June 1998
Synopsis
Hospitalizations for Unexplained Illnesses among U.S. Veterans of the Persian Gulf War
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 |