GPT and neoplasm: Additionally, no significant correlation was observed between IGF-1 levels and several variables including liver volume (r = 0.22, p = 0.17), tumor volume (r = −0.054, p = 0.75), age (r = 0.17, p = 0.27), BMI (r = 0.13, p = 0.42), INR (r = −0.091, p = 0.56), alanine aminotransferase (ALT) (r = −0.16, p = 0.3) or AFP (r = −0.029, p = 0.86).