Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus
Clinical Characteristics of the West Nile Fever Outbreak, Israel, 2000
Table 3
Alive |
Dead |
ORa |
p |
|
---|---|---|---|---|
Variables | 200 (%) | 33 (%) | (95% CI) | valueb |
Age >70 | 70 (35.0) | 29 (87.9) | 13.5 (4.5-39.8) | 0.0001 |
No coexisting condition or illness | 53 (26.5) | 2 (6) | 0.2 (0.1-0.9) | 0.03 |
Diabetes mellitus | 31 (15.5) | 9 (27.3) | 2.0 (0.9-4.8) | 0.1 |
Ischemic heart disease | 29 (14.5) | 9 (27.3) | 2.2 (0.9-5.2) | 0.07 |
Temp (mean +/-SD) | 39.1 +/- 0.7 | 39.3 +/-0.64 | 1.6 (0.9-2.7) | 0.08 |
Headache | 123 (61.5) | 12 (36.4) | 0.4 (0.2-0.9) | 0.02 |
Confusion | 68 (34.0) | 24 (72.7) | 5.2 (2.2-11.7) | 0.0001 |
Change in level of consciousness | 80 (40) | 29 (87.9) | 15.3 (4.5-51.9) | 0.0001 |
Hb<12 g/dL in F | 72 (36) | 19 (57.5) | 3.0 (1.4-6.7) | 0.006 |
Hb<13.5 g/dL in M | ||||
PLT<140 K/mL | 25 (12.5) | 8 (24.2) | 2.1 (0.8-4.6) | 0.1 |
Ribavirin therapy | 22 (11.0) | 15 (45.4) | 6.7 (3.0-15.2) | 0.0001 |
aSD = standard deviation; OR = odds ration; CI = confidence intervals; Hb = hemoglobin; PLT = platelets.
bOnly factors included were those that were significant with p<0.15 by bivariate regression analysis, were available in more than 92% of the cases, and occurred in more than 10% of the cases.
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