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Fig. 1 | Health and Quality of Life Outcomes

Fig. 1

From: How is disease severity associated with quality of life in psoriasis patients? Evidence from a longitudinal population-based study in Sweden

Fig. 1

Dataset reduction diagram. A total of 4449 patients with 20,048 observations were present in PsoReg at the time of the data extraction. One patient was excluded due to an illogical height/weight value, and another 580 patients were removed due to missing covariate data resulting in 3868 patients with a total of 15,238 observations. In order to be included in the longitudinal analysis, at least two observations were required. 1194 did not meet this requirement. The final analysis population contained 2674 patients with a total of 14,044 observations

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