Hospitalizations were categorized using the Clinical Classifications Software system from the Agency for Healthcare Research and Quality (www.hcup-us.ahrq.gov/toolssoftware/ccs/ccsfactsheet.jsp).jsp
More than 90% of the interventions could be categorized using the NIC.
CCFs can be categorized using the Barrow Classification System.
Dystonia (n = 13 patients) was categorized using the Barry-Albright-Dystonia Scale (BADS).
All complications were categorized using the CD classification and were collapsed according to distribution frequencies, i.e., Grade I-II and Grade III-V.
Functional properties of the differentially expressed or methylated genes were categorized using the BiNGO Cytoscape plugin as described previously (Maere et al., 2005).
Similarly, the evidence of changing HRD policies and practices was categorized using the state of 'corporate' accounting change as the ordering variable.
ED visits were categorized using the Billings and Raven analytic categories (i.e., 1, 2, 3 4, 5 6, 7 9, 10 14, and 15 or more visits) [7].
All complications were categorized using the CD classification and were collapsed according to distribution frequencies, i.e., Grade I II and Grade III V.
Injury diagnoses were categorized using the Barell Injury Diagnosis Matrix according to the nature of injury (e.g. fracture) and location (e.g. upper extremity) using the first listed ICD-9-CM injury diagnosis code (Barell et al. 2002).
