-
Initial Patient Population =
- AND: FIRST: "Occurrence A of Diagnosis, Active: Low Back Pain" starts during "Measurement Period"
- AND: "Patient Characteristic Birthdate: birth date" >= 18 year(s) starts before start of "Measurement Period"
- AND: "Patient Characteristic Birthdate: birth date" < 50 year(s) starts before start of "Measurement Period"
- AND:
- OR: "Occurrence A of Diagnosis, Active: Low Back Pain" starts during ("Encounter, Performed: Office Visit" <= 337 day(s)
starts after start of "Measurement Period")
- OR: "Occurrence A of Diagnosis, Active: Low Back Pain" starts during ("Encounter, Performed: Emergency Department Visit"
<= 337 day(s) starts after start of "Measurement Period")
- OR: "Occurrence A of Diagnosis, Active: Low Back Pain" starts during ("Encounter, Performed: Face-to-Face Interaction" <=
337 day(s) starts after start of "Measurement Period")
-
Denominator =
- AND: "Initial Patient Population"
-
Denominator Exclusions =
- AND:
- OR: "Diagnosis, Active: Low Back Pain" <= 180 day(s) starts before start of "Occurrence A of Diagnosis, Active: Low Back
Pain"
- OR:
- OR: "Diagnosis, Active: All Cancer"
- OR: "Diagnosis, Inactive: All Cancer"
- OR: "Diagnosis, Resolved: All Cancer"
- starts before or during "Measurement Period"
- OR:
- OR: "Diagnosis, Active: Trauma"
- OR: "Diagnosis, Active: IV Drug Abuse"
- OR: "Diagnosis, Active: Neurologic impairment"
- <= 365 day(s) starts before or during "Measurement Period"
-
Numerator =
- AND NOT:
- OR: "Diagnostic Study, Performed: X-Ray of Lower Spine"
- OR: "Diagnostic Study, Performed: MRI of Lower Spine"
- OR: "Diagnostic Study, Performed: CT Scan of Lower Spine"
- <= 28 day(s) starts after start of "Occurrence A of Diagnosis, Active: Low Back Pain"
-
Denominator Exceptions =
-
"Diagnosis, Active: All Cancer" using "All Cancer Grouping Value Set (2.16.840.1.113883.3.464.1003.108.12.1011)"
-
"Diagnosis, Active: IV Drug Abuse" using "IV Drug Abuse Grouping Value Set (2.16.840.1.113883.3.464.1003.106.12.1003)"
-
"Diagnosis, Active: Low Back Pain" using "Low Back Pain Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1001)"
-
"Diagnosis, Active: Neurologic impairment" using "Neurologic impairment Grouping Value Set (2.16.840.1.113883.3.464.1003.114.12.1012)"
-
"Diagnosis, Active: Trauma" using "Trauma Grouping Value Set (2.16.840.1.113883.3.464.1003.113.12.1036)"
-
"Diagnosis, Inactive: All Cancer" using "All Cancer Grouping Value Set (2.16.840.1.113883.3.464.1003.108.12.1011)"
-
"Diagnosis, Resolved: All Cancer" using "All Cancer Grouping Value Set (2.16.840.1.113883.3.464.1003.108.12.1011)"
-
"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 Birthdate: birth date" using "birth date LOINC Value Set (2.16.840.1.113883.3.560.100.4)"
-
"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 AdministrativeSex Value Set (2.16.840.1.113762.1.4.1)"