====== Performance ====== The action or process of performing a [[task]] or [[function]]. [[Academic performance]] see [[Operator Performance]]. see [[Psychomotor Performance]] ---- see also [[Performance status]]. The [[performance]] of individual neurosurgical [[department]]s is assessed through comparison of departmental [[outcome]]s measures with national standards. One such comparison tool is the University Health System (UHC) Consortium, a [[data]] assessment [[tool]] utilized by many [[hospital]]s for both [[benchmark]]ing and [[performance]] [[improvement]]. UHC is a member-owned consortium representing 120 academic medical centers, including over 300 hospitals, and contains self-reported data that are evaluated with risk adjustment. UHC data often serve as a proxy for Centers for Medicare & Medicaid Services (CMS) risk-adjustment data, data that are utilized by nationally recognized external rating systems ((Hammers R, Anzalone S, Sinacore J, Origitano TC. Neurosurgical mortality rates: what variables affect mortality within a single institution and within a national database? J Neurosurg. 2010;112(2):257-264)).