Figure 4.

Relationship between medication possession ratio and risk of emergency room visit with mental health diagnosis. Controlling for confounding factors such as patient demographic characteristics; type of bipolar disorder; patient general health status (including Charlson Comorbidity Index score, total number of diagnoses, and total number of outpatient prescription medications received in the postindex period) psychiatric prescriptions; and specific comorbidities diagnosed in the preindex period.

Lage and Hassan Annals of General Psychiatry 2009 8:7   doi:10.1186/1744-859X-8-7
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