The study was a retrospective cohort study of NHIRD data for 29,746 patients [greater than or equal to] 18 years of age who had received a new diagnosis of RA during January 1, 2001, through December 31, 2011.
Data for [approximately equal to] 99% of Taiwan residents were included in the NHIRD.
This nationwide population-based retrospective cohort study indicated that among the [approximately equals] 20 million enrollees in Taiwan's NHIRD, the risk for development of TB was 2.
The NHIRD contains complete medical information regarding patients, including prescription details, diagnoses based on the ICD-9-CM codes, registration files, and original claims records for reimbursement.
Disclaimers: This study is based in part on data from the NHIRD provided by the BNHI, Department of Health, and managed by the National Health Research Institutes (NHRI).
2008), deliveries without a DRG code in NHIRD (totally 38,507 cases) were excluded in all analyses.