Polymyalgia Rheumatica

To determine polymyalgia rheumatica (PMR) prevalence using population-based administrative data, and to estimate the error associated with case ascertainment approaches when using these databases.Cases were ascertained using physician billing and hospitalization data from the province of Manitoba (population 1.1 million). Focusing on the population age [ge]45 years, we compared 3 different case definition algorithms and also used statistical methods that accounted for imperfect case ascertainment to estimate the prevalence and the properties of the ascertainment algorithms. A hierarchical Bayesian latent class regression model was developed that also allowed us to assess differences across patient demographics (sex and region of residence).Using methods that account for the imperfect natur…MedWorm Message: Get the very latest Swine Flu news via the MedWorm Swine Flu RSS news feed – updated hourly from thousands of authoritative health and news sources.

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