UCA1 and cancer: Overall, a significant negative association was found between UCA1 levels and OS time (HR1.81, 95% CI1.52−2.17), including the following cancers analyzed independently: colorectal (HR2.61, 95% CI1.56−4.37), non-small cell lung (HR1.49, 95% CI1.16−1.90), gastric (HR2.19, 95% CI1.36−3.51), and ovarian (HR1.89, 95% CI1.14−3.12).