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. 2015 May 6;13:9. doi: 10.1186/s12962-015-0034-z

Figure 4.

Figure 4

Average Annual Healthcare Costs per Patient. ER = emergency room; MD = physician visit; OP = outpatient hospital visit; IP = inpatient hospital stay; Other = other medical costs. *P < 0.0001 versus non-SLE group.