Volume 5, Number 6—December 1999
Research
Epidemiologic Studies of Cyclospora cayetanensis in Guatemala
Caryn Bern*†
, Beatriz Hernandez†, Maria Beatriz Lopez†, Michael J. Arrowood*, Maricruz Alvarez de Mejia†, Ana Maria de Merida†, Allen W. Hightower*, Linda Venczel‡, Barbara L. Herwaldt*, and Robert E. Klein†
, Beatriz Hernandez†, Maria Beatriz Lopez†, Michael J. Arrowood*, Maricruz Alvarez de Mejia†, Ana Maria de Merida†, Allen W. Hightower*, Linda Venczel‡, Barbara L. Herwaldt*, and Robert E. Klein†
Table 2
Characteristics of illness reported by 62 persons with Cyclospora infection who participated in the case-control study, Guatemala, May 7- September 3, 1997
| Age group of participants | |||
|---|---|---|---|
| Characteristic | <5 years (n = 32) | >5 years (n = 30) | p |
| Days of illness | 15 (3-76)a | 10 (2-90)a | 0.05b |
| Stools per day | 5 (1-10)a | 3 (1-20)a | 0.04b |
| Stool consistency | nsc | ||
| Liquid/watery | 22 (69) | 18 (60) | |
| Semisolid | 10 (31) | 6 (20) | |
| Solid | 0 (0) | 4 (13) | |
| Blood in stool | 7 (22) | 1 (3) | 0.05 |
| Mucus in stool | 29 (91) | 11 (37) | <0.001 |
| Fever | 24 (75) | 9 (30) | <0.001 |
| Vomiting | 16 (50) | 8 (27) | ns |
| Abdominal pain | 10 (31) | 13 (43) | ns |
| Anorexia | 8 (25) | 7 (23) | ns |
| Headache | 2 (6) | 7 (23) | ns |
| Treated before | |||
| visiting health-care | |||
| facility with | |||
| Any antibiotic | 22 (69) | 15 (50) | ns |
| Metronidazole | 11 (34) | 9 (30) | ns |
| Cotrimoxazole | 1 (3) | 4 (13) | ns |
| Mebendazole | 7 (22) | 2 (7) | ns |
| or albendazole | |||
aMedian (range).
bBy Wilcoxon 2-sample test
cns = not significant.
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