GPT and thyroiditis: Moreover, there were significant between-group variations in gender, race, age, level of education, PIR, marital status, BMI, thyroid disease, smoking history, consumption of prednisone or cortisone, moderate or strenuous activity, fracture, alcohol consumption, vitamin D supplementation, calcium supplementation, calcium intake, caffeine intake, serum vitamin D, alanine aminotransferase, creatinine, uric acid, energy intake, protein intake, and other liquid intake (p < 0.05).