Table 1.
The full name and abbreviation name of variables.
| Full name of variables | Abbreviation name | Full name of variables | Abbreviation name |
|---|---|---|---|
| Age of methotrexate start | Age of MTX start | Hemoglobin | HGB |
| Age onset | Age onset | Indirect bilirubin | IBIL |
| Albumin | ALB | Immune globulin A | IgA |
| Alanine transaminase | ALT | Immune globulin E | IgE |
| Anti-cyclic citrullinated peptide | Anti-CCP | Immune globulin G | IgG |
| Active partial thrombin time | APTT | Immune globulin M | IgM |
| Aspartate aminotransferase | AST | JIA subtype | JIA subtype |
| Complement 3 | C3 | Lymphocyte | LYM |
| Complement 4 | C4 | Neutrophil | NEUT |
| CD16+CD56+ | CD16+CD56+ | Platelet | PLT |
| CD19+ | CD19+ | Prothrombin time | PT |
| CD3+Abs | CD3+Abs | Red blood cell | RBC |
| CD3+CD4+ | CD3+CD4+ | Rheumatoid factor-IgG | RF-IgG |
| CD3+CD8+ | CD3+CD8+ | Serum creatinine | SCr |
| C-reactive protein | CRP | Swollen joint count | SJC |
| Direct bilirubin | DBIL | Total bilirubin | TBIL |
| The first dose of MTX on the start | Dose0 | Helper T cells/Suppressor T cells | Th/Ts |
| Erythrocyte sedimentation rate | ESR | Time interval | Time interval |
| Ferritin | FER | Tender joint count | TJC |
| Fibrinogen | FIB | Thrombin time | TT |
| Gender | Gender | Urea | Urea |
| Blood glucose | GLU | White blood cell | WBC |
| Hematocrit | HCT | Weight | Weight |
| Ritchie articular index | RAI | C-reactive protein near 3 months after administration | CRP/3m |
CD, Cluster of differentiation cell; CD3+Abs, the absolute value of T cell with Cluster of differentiation 3; CD3+CD4+, the ratio of CD4+ divided by CD3+.
Variables with the suffix “/3m” are those collected within 3 months after administration of MTX. For example, CRP/3m refers to the CRP variable collected within 3 months after administration.