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 | Â |
Provider gender | Â |
Provider ordering patterns | Â |
IMAGING | LABORATORY DATA |
Date | Date |
Ordering physician specialty | Lab test |
Indication for image | Result |
Image Result (diagnosis) | Normal range |
CPT code | Â |
DICOM images de-identified | Â |
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 | Â |
Number times refilled | Â |
PROVIDER VISITS | VITAL SIGNS |
Date | Height |
ICD-9 codes (primary, secondary) | Weight |
Encounter code/type | Blood pressure |
Encounter subtype | Â |
 Provider specialty | COMORBIDITY INDEX |
 Primary Care | Quan score |
 Specialty Care | Charlson score |
 Urgent Care | Elixhauser score |
 Emergency room |  |
 PT |  |
 Chiropractor |  |
 Massage |  |
 Acupuncture |  |