ADIPOQ and hepatocellular carcinoma: The mean total adiponectin levels in patients with moderately (13.4±6.9 μg/ml, P = 0.001) and poorly (11.5±7.3 μg/ml, P<0.001) differentiated HCC were significantly lower compared to those in patients with well-differentiated HCC (22.0±13.6 μg/ml).