Table 4 Variables to be obtained directly from Health Information Systems
From: Study protocol: The back pain outcomes using longitudinal data (BOLD) registry
| INDEX VISIT | INSURANCE |
|---|---|
| Date | Medicare |
| ICD-9 codes (primary, secondary) | Medicaid |
| Encounter type | Commercial |
| Encounter subtype | Private Pay |
| Facility code | Drug coverage |
| Provider specialty | Co-pay |
| Provider age | |
| Provider gender | |
| Provider ordering patterns | |
| IMAGING | LABORATORY DATA |
| Date | Date |
| Ordering physician specialty | Lab test |
| Indication for image | Result |
| Image Result (diagnosis) | Normal range |
| CPT code | |
| DICOM images de-identified | |
| PHARMACY (All medications that we will subsequently categorize relatedness to back pain) | PROCEDURES |
| Date | Date |
| Generic name | CPT code |
| Brand name | Indication for procedure |
| Supply | Referring physician specialty |
| Amount | Performing physician specialty |
| Specialty of treating physician | |
| Number times refilled | |
| PROVIDER VISITS | VITAL SIGNS |
| Date | Height |
| ICD-9 codes (primary, secondary) | Weight |
| Encounter code/type | Blood pressure |
| Encounter subtype | |
| Provider specialty | COMORBIDITY INDEX |
| Primary Care | Quan score |
| Specialty Care | Charlson score |
| Urgent Care | Elixhauser score |
| Emergency room | |
| PT | |
| Chiropractor | |
| Massage | |
| Acupuncture |
