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[Usefulness of the coccidioidin skin test in patients with type diabetes mellitus in an endemic zone].

AbstractOBJECTIVE:
There are few studies available about skin response to mycotic antigens in diabetes mellitus subjects, therefore, the possible difference of skin reactivity to coccidioidin in subjects with and without diabetes mellitus was analyzed.
MATERIAL AND METHODS:
The prevalence of skin reactivity to coccidioidin in a population sample of 1651 subjects in a coccidioidomycosis endemic zone was estimated using a transversal design. Subjects with diabetes mellitus were identified and the diagnosis was validated by clinical and laboratory criteria. In order to determine the reactivity association level with the diabetes mellitus history, data was compared with the population sample, through logistic regression analysis adjusted by age, sex and residence geographical area. Odds ratio (OR) and 95% confidence intervals were obtained.
RESULTS:
In the population study, there were 665 coccidioidin positive subjects (40.28% rate). Seventy six cases with diabetes mellitus were identified, 23 were positive to the test (30.26% rate) with an odds ratio of 0.63 for this group (95% CI 0.37-1.07). The OR decrease to 0.52 (95% CI 0.31-0.88, p = 0.014) with the adjusted logistic regression analysis.
CONCLUSION:
Coccidioidin reactivity was lower in the diabetes mellitus cases than in general population. It is necessary to be cautious with the coccidioidin test interpretation in people with DM 2.
AuthorsV M Velasco-Rodríguez, V A Martínez-Ordaz, A Padua y Gabriel, J G Lazo-Sáenz, R Cicero-Sabido
JournalRevista de investigacion clinica; organo del Hospital de Enfermedades de la Nutricion (Rev Invest Clin) 2001 May-Jun Vol. 53 Issue 3 Pg. 223-7 ISSN: 0034-8376 [Print] Mexico
Vernacular TitleUtilidad de la prueba cutánea a la coccidioidina en personas con diabetes mellitus tipo 2 en una zona endémica.
PMID11496709 (Publication Type: English Abstract, Journal Article)
Chemical References
  • Blood Glucose
  • Coccidioidin
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Blood Glucose (analysis)
  • Child
  • Coccidioidin
  • Coccidioidomycosis (diagnosis, epidemiology, immunology)
  • Cross-Sectional Studies
  • Diabetes Mellitus, Type 2 (blood, immunology)
  • Endemic Diseases
  • Female
  • Humans
  • Logistic Models
  • Male
  • Mexico (epidemiology)
  • Middle Aged
  • Retrospective Studies
  • Skin Tests (methods)

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