Additional file 1: Table S1. of Validity of a stroke severity index for administrative claims data research: a retrospective cohort study

Predictors of the stroke severity index and their corresponding billing codes in Taiwan’s National Health Insurance fee schedule. Table S2. Distribution of the NIHSS score across stroke severity groups stratified by the SSI based on unpublished data from the validation cohorts (n = 6617) of our prior study (Sung S-F, et al. J Clin Epidemiol. 2015;68:1292–1300). Table S3. Comparison between patients with and without successful linkage. Table S4. Comparison between patients with and without follow-up mRS. (PDF 93 kb)