Spine
-
Laboratory study. ⋯ N/A.
-
A retrospective comparative study. ⋯ 3.
-
A mixed-effects model was used to evaluate the effects specific surgical procedure by International Classification of Diseases, Ninth Revision, Clinical Modification, procedure code, patient age, sex, ethnic group, payers for the inpatient hospital stay, and number of additional diagnoses beyond the principal diagnosis that led to the procedure (as a proxy for severity of illness) on the charges for lumbar fusion surgery. ⋯ N/A.
-
Descriptive survey methodology employed a SurveyMonkey online questionnaire. ⋯ 3.
-
Report of 2 cases. ⋯ N/A.