Age
Item
18 years of age and older;
boolean
C0001779 (UMLS CUI [1])
Diagnosed with rheumatoid arthritis
Item
have a diagnosis of rheumatoid arthritis (icd-9:714x.xx);
boolean
C0003873 (UMLS CUI [1])
714x.xx (ICD-9)
Enrollment duration prior to assessment
Item
have been enrolled for at least 6 months for the 6 months assessment and 12 months for the 12 months assessment;
boolean
C1516879 (UMLS CUI [1,1])
C0449238 (UMLS CUI [1,2])
C0332152 (UMLS CUI [1,3])
C1516048 (UMLS CUI [1,4])
Previous enrollment in health plan
Item
are enrolled in a health plan between february 2006 and june 2009
boolean
C1516879 (UMLS CUI [1,1])
C0679933 (UMLS CUI [1,2])
C0205156 (UMLS CUI [1,3])
Abatacept duration | etanercept duration | adalimumab duration | infliximab duration
Item
have claims indicating at least one use of either abatacept, etanercept, adalimumab or infliximab for at least 6 months for the 6 months assessment and 12 months for the 12 months assessment
boolean
C1619966 (UMLS CUI [1,1])
C0449238 (UMLS CUI [1,2])
C0717758 (UMLS CUI [2,1])
C0449238 (UMLS CUI [2,2])
C1122087 (UMLS CUI [3,1])
C0449238 (UMLS CUI [3,2])
C0666743 (UMLS CUI [4,1])
C0449238 (UMLS CUI [4,2])
Not eligible for health plan benefits
Item
patients not continuously eligible for health plan benefits for the same evaluation periods will be excluded
boolean
C0021674 (UMLS CUI [1,1])
C0549178 (UMLS CUI [1,2])
C1555471 (UMLS CUI [1,3])
Recentadditional biologics | etanercept following prior therapy with abatacept
Item
patients who are on other biologics in the 6 and 12 month post-index period will be excluded (ex. those in the abatacept cohort will be excluded if they also have claims for etanercept in the 6 and 12 month post-index period).
boolean
C0005515 (UMLS CUI [1,1])
C1524062 (UMLS CUI [1,2])
C0332185 (UMLS CUI [1,3])
C0717758 (UMLS CUI [2,1])
C0332282 (UMLS CUI [2,2])
C1514463 (UMLS CUI [2,3])
C1619966 (UMLS CUI [2,4])
Prior therapy with biologics
Item
patients on biologics 6 months prior to the biologic index date will also be excluded
boolean
C1514463 (UMLS CUI [1,1])
C0005515 (UMLS CUI [1,2])
Recent diagnosis of condition indicating biologics treatment | except for rheumatoid arthritis | except for Crohn's disease
Item
patients with diagnosis for other non-ra conditions commonly treated with biologics (ex. crohn's disease) during the 6 month pre-index period.
boolean
C0011900 (UMLS CUI [1,1])
C3146298 (UMLS CUI [1,2])
C1514463 (UMLS CUI [1,3])
C0005515 (UMLS CUI [1,4])
C1705847 (UMLS CUI [2,1])
C0003873 (UMLS CUI [2,2])
C1514463 (UMLS CUI [3,1])
C0010346 (UMLS CUI [3,2])