Modelling the number of dermal lesions in anthroponotic cutaneous leishmaniasis and its associated factors in Herat province, western Afghanistan, during 2012–2013
- 13 May 2020
- journal article
- research article
- Published by Wiley in Transboundary and Emerging Diseases
- Vol. 67 (6), 2692-2701
- https://doi.org/10.1111/tbed.13623
Abstract
Cutaneous leishmaniasis(CL), caused by Leishmania tropica, is the main causative agent of CL in the Herat province, western Afghanistan. In CL patients, one of the most important indicators for reducing the amount of body damage and the choice of treatment is the number of dermal lesions; but there is no strong evidence in this regard. Therefore, using count regression models, the main objective of this historical cohort study was to identify the distribution of the number of dermal lesions and determine the associated factors among CL patients referring to leishmaniasis reference laboratory in Herat province, from January 2012 to December 2013. A total of 4,127 clinically suspected CL cases, 50.20% were female and 49.80% male. Based on the results of ZINB model, which is the best model suggested by goodness of fit criteria, age variables (IRR=1.007), duration of lesion (6‐12 weeks compared to 12 weeks with IRR=1.39 compared to P<0.05). Also, our results showed that among four models used, the ZINB model represented a better performance to determine the associated probable factors about the number of dermal lesions in ACL patients. Moreover, there was a direct association between age and number of dermal lesions; in addition, duration of lesion, type of lesion, and location of lesion had a significant effect on the number of dermal lesions. Therefore, a comprehensive planning is necessary for controlling and reducing the number of dermal lesions.Funding Information
- Mashhad University of Medical Sciences (961222)
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