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This study analyzed data from a randomly selected sample of VHA patients in FY2002 to examine healthcare utilization patterns among patients with BPD. The final sample included 67,387 patients after exclusions based on various criteria. Results provide insights into BPD patient care needs in the VHA system.
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Supplemental Digital Content Figure 1: Sample selection Nationally-representative random sample of all VHA patients in FY2002 [N = 100,000] NPR* registrants with BPD with VHA utilization data in FY2002 [N = 70,345] Exclude those with SMI diagnosis in FY2002 N = 4725 N = 95,275 N = 884 Exclude those with BPD diagnosis in FY99 –01 N = 94,391 N = 19,218 N = 30,455 Exclude those aged < 50 N = 75,173 N = 39,890 Exclude those with missing data on demographic characteristics N = 32,969 N = 6,500 N = 42,204 N = 33,390 N = 75,594 Exclude those with diagnosis of fracture, osteoporosis, osteomalacia, or osteopenia from FY99 to mid-FY02 N = 6,089 N = 69,505 Exclude those who died in first 6 months of FY2002 N = 867 N = 68,638 *NPR; National Psychosis Registry (NPR) of all VHA patients with serious mental illness (SMI) (ICD-9 code of schizophrenia, bipolar disorder, or schizoaffective disorder) enrolled beginning in 1988 Exclude those with epilepsy diagnosis FY99 - 01 N = 1,251 FINAL SAMPLE N = 67,387
