Volume 9, Number 9—September 2003
Research
Hantavirus Infection in Humans and Rodents, Northwestern Argentina
Table 4
Yes |
No |
Chi square,a p value | Without data |
||
---|---|---|---|---|---|
Positive/tested (%) | Positive/tested (%) | Positive/tested (%) | |||
Previous clinical HPSb symptoms |
3/29 (10.3) |
19/307 (6.2) |
0.75, 0.38 |
0/5 (0) |
|
Contact with a confirmed HPS case-patient |
6c/98 (6.1) |
16/242 (6.6) |
0.03, 0.86 |
0/1 (0) |
|
Recreational activities (fishing, hunting) |
6/77 (7.8) |
16/260 (6.2) |
0.26, 0.60 |
0/4 (0) |
|
Sighting of rodents |
17/270 (6.3) |
5/71 (7.0) |
0.05, 0.81 |
||
Trips outside the area | 15/233 (6.4) | 7/105 (6.7) | 0.01, 0.93 | 0/3 (0) |
aChi-square test for comparison of two proportions in two independent samples, p>0.05 no significance. EpiInfo version 2000 (Centers for Disease Control, Atlanta, GA).
bHPS, hantavirus pulmonary syndrome.
cAll positive contacts were relatives of a confirmed HPS patient.
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