H19 and osteoarthritis: <h4>Background</h4>To investigate the expression and diagnostic value of LncRNA H19 in the blood of patients with osteoarthritis.<h4>Methods</h4>A total of 130 cases of patients with osteoarthritis admitted to Jinling Hospital, Nanjing, China from Jun 2016 to Jul 2017 were elected as the study group, and 100 patients who underwent physical examination in Jinling Hospital during the same period were selected as the control group.