MYLK and hepatocellular carcinoma: As regard the ROC curve of MYLK-AS1 for the 1-year overall survival of HCC patients, the AUC was 0.6606 (Fig. 2j), and the ROC curve of MYLK-AS1 for tumor size, tumor stage, tumor differentiation, and vascular invasion resulted in an AUC of 0.6438, 0.6725, 0.5785 and 0.5600, respectively (Additional file 2: Fig. S1D).