Figure 3From: Epidemiological characteristics of 778 patients who underwent surgical drainage of chronic subdural hematomas in Brasília, Brazil Box-and-whisker plot of age as a function of sex of patients with CSDH. The lines demarcate the median and inter-quartile range, and the whiskers indicate the upper and lower limits of the data. The dashed line demarcates the mean age (in years) of 778 patients who underwent CSDH operations in Neurosurgical Services at the Hospital de Base do Distrito Federal, Brasília, Brazil.Back to article page