Clinico-Epidemiologic Profile and Response to Levocetirizine in Chronic Spontaneous Urticaria: A Retrospective Cohort Study from a Tertiary Care Center in North India
Abstract
Abstract Background: Comprehensive long-term follow-up data regarding chronic spontaneous urticaria (CSU) among general populations, especially from the Indian subcontinent is scanty. Aim and Objectives: The aim of the study were to analyze the clinico-epidemiological profile, comorbidities of CSU patients, and factors affecting patient response to various doses of levocetirizine. Materials and Methods: In this retrospective cohort study, complete history regarding demographic profile, clinical examination, investigations, treatment given, and follow-up details of all CSU patients attending urticaria clinic between 2010 and 2019 were analyzed. These were considered variables to determine the factors playing a role in response to various doses of levocetirizine. Results: Totally, 1104 files of CSU were analyzed. The male-to-female ratio was 1:1.5 with a mean age of 33.03 ± 14.33 years. Thyroid dysfunction and atopy were seen in 142 (12.8%) and 184 (16.7%) patients, respectively. Vitamin D deficiency and high serum immunoglobulin E (IgE) levels were seen in 461 (41.7%) and 340 (30.7%) patients, respectively. Immunosuppressives were required at some point in 196 (17.7%) patients. Patients with higher levels of serum IgE and D-dimer ( P < 0.05) were found to require frequent updosing of levocetirizine, while age, sex, duration of illness, presence of angioedema, co-morbidities, identifiable precipitating factors, presence of diurnal variation, family history, and vitamin D…
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Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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