- Initial Population =
- AND: "Occurrence A of Diagnosis: Low Back Pain" satisfies all:
- First: starts during "Measurement Period"
- starts during Occurrence A of $LBPEncounter
- AND: Age>= 18 year(s) at: "Measurement Period"
- AND: Age< 50 year(s) at: "Measurement Period"
- Denominator =
- Denominator Exclusions =
- OR: Union of:
- "Diagnosis: Low Back Pain" <= 180 day(s) starts before start of "Occurrence A of Diagnosis: Low Back Pain"
- "Diagnosis: All Cancer" starts before end of "Measurement Period"
- $DiagnosisTraumaIVDrugNeuroImpairment <= 365 day(s) starts before or concurrent with start of Occurrence A of $LBPEncounter
- $DiagnosisTraumaIVDrugNeuroImpairment <= 28 day(s) starts after start of Occurrence A of $LBPEncounter
- Numerator =
- AND NOT: Union of:
- "Diagnostic Study, Performed: X-Ray of Lower Spine"
- "Diagnostic Study, Performed: MRI of Lower Spine"
- "Diagnostic Study, Performed: CT Scan of Lower Spine"
- <= 28 day(s) starts after start of "Occurrence A of Diagnosis: Low Back Pain"
- Numerator Exclusions =
- Denominator Exceptions =
- Stratification =
- $DiagnosisTraumaIVDrugNeuroImpairment =
- Union of:
- "Diagnosis: Trauma"
- "Diagnosis: IV Drug Abuse"
- "Diagnosis: Neurologic impairment"
- $LBPEncounter =
- Union of:
- "Encounter, Performed: Office Visit"
- "Encounter, Performed: Emergency Department Visit"
- "Encounter, Performed: Face-to-Face Interaction"
- <= 337 day(s) starts after start of "Measurement Period"
- "Diagnosis: All Cancer" using "All Cancer Grouping Value Set (2.16.840.1.113883.3.464.1003.108.12.1011)"
- "Diagnosis: IV Drug Abuse" using "IV Drug Abuse Grouping Value Set (2.16.840.1.113883.3.464.1003.106.12.1003)"
- "Diagnosis: Low Back Pain" using "Low Back Pain Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1001)"
- "Diagnosis: Neurologic impairment" using "Neurologic impairment Grouping Value Set (2.16.840.1.113883.3.464.1003.114.12.1012)"
- "Diagnosis: Trauma" using "Trauma Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1036)"
- "Diagnostic Study, Performed: CT Scan of Lower Spine" using "CT Scan of Lower Spine Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1035)"
- "Diagnostic Study, Performed: MRI of Lower Spine" using "MRI of Lower Spine Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1034)"
- "Diagnostic Study, Performed: X-Ray of Lower Spine" using "X-Ray of Lower Spine Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1033)"
- "Encounter, Performed: Emergency Department Visit" using "Emergency Department Visit Grouping Value Set (2.16.840.1.113883.3.464.1003.101.12.1010)"
- "Encounter, Performed: Face-to-Face Interaction" using "Face-to-Face Interaction Grouping Value Set (2.16.840.1.113883.3.464.1003.101.12.1048)"
- "Encounter, Performed: Office Visit" using "Office Visit Grouping Value Set (2.16.840.1.113883.3.464.1003.101.12.1001)"
- "Patient Characteristic Ethnicity: Ethnicity" using "Ethnicity CDCREC Value Set (2.16.840.1.114222.4.11.837)"
- "Patient Characteristic Payer: Payer" using "Payer SOP Value Set (2.16.840.1.114222.4.11.3591)"
- "Patient Characteristic Race: Race" using "Race CDCREC Value Set (2.16.840.1.114222.4.11.836)"
- "Patient Characteristic Sex: ONC Administrative Sex" using "ONC Administrative Sex AdministrativeGender Value Set (2.16.840.1.113762.1.4.1)"