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. 2020 Jun 21;8(3):e000376. doi: 10.1136/fmch-2020-000376

Figure 2.

Figure 2

Bubble plot to show the Kendall’s tau correlation coefficient of prescription rate of drug classes (grouped by British National Formulary section) with multiple deprivation index. More negative correlation coefficient indicates a greater degree of prescribing in areas with greater socioeconomic deprivation. Bubble area indicates the number of prescriptions of this class. Drug classes which differed significantly from zero (corrected p<0.0005) are highlighted in red. Key drug classes are labelled. ADHD, attention-deficit hyperactivity disorder; CNS, central nervous system.