AUC values of anti-MDA5 Ab and RF ROC curves were similar in RA patients with or without CLD (0.578, 95%CI 0.530–0.627 and 0.579, 95%CI 0.530–0.627, respectively, p = 0.9411). Here, IFIH1 is linked to congenital secretory chloride diarrhea 1.