| item | categorical_value | score |
|---|---|---|
| ferritin | >= 636 ng/mL | TRUE: 2, FALSE: 0 |
| LDH | >= 355 U/L | TRUE: 2, FALSE: 0 |
| anti-MDA5 antibody | >= 636 ng/mL | negative, 0; +, 2; ++, 3; +++, 4 |
| high-resolution CT imaging score (as described by https://doi.org/10.1164/rccm.2106157) | >= 133 | TRUE: 3, FALSE: 0 |
| parameter | $\beta$ coefficient | score |
|---|---|---|
| CRP abnormal | 0.754 | 1 |
| Anti-Ro52 positivity | 1.505 | 2 |
| male sex | 0.624 | 1 |
| disease duration <3 months | 1.291 | 2 |
| risk strata | qualifying scores |
|---|---|
| moderate | 0-2 |
| high | 3-4 |
| very high | 5-6 |