MUC5B and rheumatoid arthritis: A predictive score based on sex, age at RA onset, the RA Disease Activity Score in 28 joints using ESR (DAS28-ESR), and the MUC5B rs35705950 risk allele showed 75% sensitivity and 85% specificity for identifying RA-ILD when compared to HRCT [33] but this tool may be challenging to implement in clinical practice.