Volume 4, Number 2—June 1998
Synopsis
Hospitalizations for Unexplained Illnesses among U.S. Veterans of the Persian Gulf War
James D. Knoke
and Gregory C. Gray
and Gregory C. Gray
Table 2
Frequencies of the 10 most common diagnoses for first hospitalization with an unexplained illness, considering only the principal diagnosis
| Frequency | Percentage of all diagnoses | |||||
|---|---|---|---|---|---|---|
| ICD-9 Code |
Description |
Total |
Deployed |
Non- deployed |
Deployed |
Non-deployed |
| 008.8 | Unspecified intestinal infections | 1807 | 467 | 1340 | 13.2 | 13.5 |
| 047.9 | Unspecified viral meningitis | 912 | 228 | 684 | 6.5 | 6.9 |
| 079.9 | Unspecified viral infections | 2620 | 661 | 1959 | 18.7 | 19.8 |
| 465.9 | Acute URI, unspecified site | 487 | 151 | 336 | 4.3 | 3.4 |
| 486 | Pneumonia, organism unspecified | 2350 | 615 | 1735 | 17.5 | 17.4 |
| 780.6 | Pyrexia of unknown origin | 382 | 93 | 289 | 2.6 | 2.9 |
| 785.6 | Enlarged lymph nodes | 1000 | 274 | 726 | 7.8 | 7.3 |
| 786.0 | Dyspnea | 1176 | 302 | 874 | 8.6 | 8.8 |
| 792.3 | Nonspecific abnormal amniotic fluid | 5 | 1 | 4 | 0.0 | 0.0 |
| 799.9 | Illness of unknown cause | 101 | 72 | 29 | 2.0 | 0.3 |
| Subtotal | 10,840 | 2864 | 7976 | 81.2 | 80.0 | |
| Other | 2650 | 661 | 1989 | 18.8 | 20.0 | |
| Total | 13,490 | 3525 | 9965 | 100.0 | 100.0 | |
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