Description: Patients with degenerative spine conditions that undergo surgery. Sample Size: 400 subjects with longitudinal data, 6 weeks, 3 months, 6 months

Description: BACPAC_CS_10a_srg surgical or procedure encounter detail (CS-COCOA cohort patients) submission links to BACPAC_CS_10b_srg surgical procedure additional detail on spine surgery detail instrumentation and grafting. links to for CPT_CODE in BACPAC_CS_2... and PROC_NAME and intervaltareBL_days and first encounter for spine problem in CS record.

Description: BACPAC_CS_10b_srg detail surgery detail (CS-COCOA cohort patients) submission links to BACPAC_CS_10a_srg surgical procedures links to for CPT_CODE in BACPAC_CS_2... and PROC_NAME and intervaltareBL_days and first encounter for spine problem in CS record.

Description: BACPAC_CS_6_payor for encounter detail (CS-COCOA cohort patients) submission for SKIPPY rows (excel rows 22, a proxy for this variable) file type: tall file (multiple rows per patient per if surgery, BL, Last visit with a COCOA diagnosis. all patients part of the COCOA cohort with COCOA diagnosis at an encounter in Medical Record Data Base). PAT_ID CONTACT_DATE (same as encounter date) VISIT_TYPE (BL=Base Line COCOA, Surgery, and Last_COCOA_visit for that patient) PAYOR_1 PAYOR_1_CLASS PAYOR_2 PAYOR_2_CLASS See SAS attached listing for classifications of Payor1 and Payor2. Note for each patient, where date on row of Surgery (indicated) is prior to (before) the row date of BL (Base Line visit date) then likely It is either: 1) diagnosis was not provided at the surgery as a COCOA and patient has a follow-up that is COCOA DXs. 2) none of primary diagnosis associated with the surgery encounter were COCOA dx). Likely patient was initially seen in the ED-OR (trauma, acute) then was seen in clinic as a follow-up where a primary target diagnoses was assigned (as COCOA dx targets). There are few patients that had this scenario of encounters-- document notes…

Description: BACPAC_CS_6_payor_finance-class-sas_code for level of finance class. (CS-COCOA cohort patients) The submission is to approximate the SKIPPY row variable requested 'Finance_Class (excel row 22, it is /may be used as a proxy for this requested variable)

Description: bacpac-cs-0-reference-cocoa-dx-inclusion was used to pull patients with encounters of COCOA as a primary diagnosis.

Description: bacpac-cs-0-reference-comorbidities-dx-inclusion of encounters in database

Description: BACPAC_CS_9a_meds_outpatient is out-patient medications recorded for encounter by staff (CS-COCOA cohort patients) typically medications that a patient is taking. is in submission for SKIPPY rows 267- 311 file type: tall file (multiple rows per patient per encounter) PAT_ID ENCOUNTER_DATE MED_NAME GENERIC_NAME ORDER_SIG ORDER_SIG_UNIT QUANTITY

Description: BACPAC_CS_9b_meds_inpatient is medications administered during procedure and recorded for encounter by staff (CS-COCOA cohort patients) PAT_ID ENCOUNTER_DATE MED_NAME GENERIC_NAME ORDER_SIG ORDER_SIG_UNIT QUANTITY

Description: SC domain structure check