Permanent versus Transient Congenital Hypothyroidism in Chinese Children: Physical Growth and Predictive Nomogram.

TSH at NBS and L-T4 doses during treatment can be used to distinguish between PCH and TCH early in life, and the predictive efficacy can be improved using multivariable models with a visualized nomogram. At 3 years of age, patients with TCH and PCH showed similar growth.