a decreasing trendP < 0.05
CCS patients have increased HIF-1α and VEGF levels The serum HIF-1α level of patients in the ACI and the CCS groups showed a high rise at the 1st day, the 3rd day, and the 7th day after admission, and serum HIF-1α levels gradually showed a decreasing trend over time (all P < 0.05).