Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease
Abstract: Background: In spite of the frequency of chronic urticaria, there are no epidemiological studies on its prevalence in Argentina. Objective: The objective of this study was to define the prevalence and epidemiological characteristics of chronic urticaria patients in Buenos Aires. Methods...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Dermatologia
2018-02-01
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| Series: | Anais Brasileiros de Dermatologia |
| Subjects: | |
| Online Access: | http://www.scielo.br/pdf/abd/v93n1/0365-0596-abd-93-01-0076.pdf |
| _version_ | 1818753124694753280 |
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| author | Claudio Alberto Parisi Carla Ritchie Natalia Petriz Christian Morelo Torres Ana Gimenez-Arnau |
| author_facet | Claudio Alberto Parisi Carla Ritchie Natalia Petriz Christian Morelo Torres Ana Gimenez-Arnau |
| author_sort | Claudio Alberto Parisi |
| collection | DOAJ |
| description | Abstract: Background: In spite of the frequency of chronic urticaria, there are no epidemiological studies on its prevalence in Argentina. Objective: The objective of this study was to define the prevalence and epidemiological characteristics of chronic urticaria patients in Buenos Aires. Methods: The population studied were the members of the Italian Hospital Medical Care Program, a prepaid health maintenance organization located in the urban areas around the Autonomous City of Buenos Aires, Argentina. All patients with diagnosis of chronic urticaria members of the Italian Hospital Medical Care Program, and with at least 12 months of follow up were included in the study. All medical records obtained between January 1st, 2012 and December 31, 2014 were analyzed. The prevalence ratio for chronic urticaria per 100,000 population with 95% CI for December 31, 2014 was calculated. The prevalence rate for the entire population and then discriminated for adults and pediatric patients (less than 18 years old at diagnosis) was assessed. Results: 158,926 members were analyzed. A total of 463 cases of chronic urticaria were identified on prevalence date (68 in pediatrics, 395 in adults), yielding a crude point prevalence ratio of 0.29% (CI 95% 0.26-0.31%). The observed prevalence of chronic urticaria in the adult population was 0.34 % (95% CI 0.31-0.38%), while in pediatrics it was 0.15 % (95% CI 0.11-0.20%). Study limitations: the main weakness is that the results were obtained from an HMO and therefore the possibility of selection bias. Conclusions: chronic urticaria is a global condition. Its prevalence in Buenos Aires is comparable with other countries. |
| first_indexed | 2024-12-18T05:02:22Z |
| format | Article |
| id | doaj.art-7ba539f7eeab423c81376a274a4ade7e |
| institution | Directory Open Access Journal |
| issn | 0365-0596 |
| language | English |
| last_indexed | 2024-12-18T05:02:22Z |
| publishDate | 2018-02-01 |
| publisher | Sociedade Brasileira de Dermatologia |
| record_format | Article |
| series | Anais Brasileiros de Dermatologia |
| spelling | doaj.art-7ba539f7eeab423c81376a274a4ade7e2022-12-21T21:20:07ZengSociedade Brasileira de DermatologiaAnais Brasileiros de Dermatologia0365-05962018-02-01931767910.1590/abd1806-4841.20186984Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this diseaseClaudio Alberto ParisiCarla RitchieNatalia PetrizChristian Morelo TorresAna Gimenez-ArnauAbstract: Background: In spite of the frequency of chronic urticaria, there are no epidemiological studies on its prevalence in Argentina. Objective: The objective of this study was to define the prevalence and epidemiological characteristics of chronic urticaria patients in Buenos Aires. Methods: The population studied were the members of the Italian Hospital Medical Care Program, a prepaid health maintenance organization located in the urban areas around the Autonomous City of Buenos Aires, Argentina. All patients with diagnosis of chronic urticaria members of the Italian Hospital Medical Care Program, and with at least 12 months of follow up were included in the study. All medical records obtained between January 1st, 2012 and December 31, 2014 were analyzed. The prevalence ratio for chronic urticaria per 100,000 population with 95% CI for December 31, 2014 was calculated. The prevalence rate for the entire population and then discriminated for adults and pediatric patients (less than 18 years old at diagnosis) was assessed. Results: 158,926 members were analyzed. A total of 463 cases of chronic urticaria were identified on prevalence date (68 in pediatrics, 395 in adults), yielding a crude point prevalence ratio of 0.29% (CI 95% 0.26-0.31%). The observed prevalence of chronic urticaria in the adult population was 0.34 % (95% CI 0.31-0.38%), while in pediatrics it was 0.15 % (95% CI 0.11-0.20%). Study limitations: the main weakness is that the results were obtained from an HMO and therefore the possibility of selection bias. Conclusions: chronic urticaria is a global condition. Its prevalence in Buenos Aires is comparable with other countries.http://www.scielo.br/pdf/abd/v93n1/0365-0596-abd-93-01-0076.pdfAngioedemaChronic diseaseUrticaria |
| spellingShingle | Claudio Alberto Parisi Carla Ritchie Natalia Petriz Christian Morelo Torres Ana Gimenez-Arnau Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease Anais Brasileiros de Dermatologia Angioedema Chronic disease Urticaria |
| title | Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease |
| title_full | Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease |
| title_fullStr | Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease |
| title_full_unstemmed | Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease |
| title_short | Chronic urticaria in a health maintenance organization of Buenos Aires, Argentina - new data that increase global knowledge of this disease |
| title_sort | chronic urticaria in a health maintenance organization of buenos aires argentina new data that increase global knowledge of this disease |
| topic | Angioedema Chronic disease Urticaria |
| url | http://www.scielo.br/pdf/abd/v93n1/0365-0596-abd-93-01-0076.pdf |
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