Low ALT was more common amongst patients with IBD (7.76% vs. 5.7% p-value < 0.001), which also remained statistically significant after application of multivariate logistic regression including age, gender, smoking, BMI, socioeconomic status, and sector (OR 1.51, 95% CI 1.29–1.76, p-value < 0.001). Here, GPT is linked to inflammatory bowel disease.