UCA1 and hepatocellular carcinoma: H19 and UCA1 were both demonstrated to be risk factors of HCC disease-free survival in multivariate Cox model (HR = 1.071, 95% CI = 1.01–1.137, and P = 0.022 and HR = 2.4, 95% CI = 1.092–5.273, and P = 0.029, resp).