Of 1,373 OHCA survivors who were recorded in the registry, 289 patients had no hyperglycemia during 24 h after ROSC; 251 patients were either not administered insulin or lacked insulin data; 152 patients had insufficient blood glucose measurement (< 6 times) data during the 72 h after ROSC; 97 patients died or transferred within 24 h; 35 patients had no available data on 6-month CPC. This evidence concerns the gene INS and Hyperglycemia.