Complication rates in medical research refer to the frequency and severity of unintended or adverse events that occur during or after a medical procedure, treatment, or intervention. These complications can include infections, blood clots, organ damage, allergic reactions, and other unexpected outcomes that may affect the patient's health and recovery. Medical researchers often study complication rates to assess the safety and effectiveness of new treatments or technologies, identify potential risks, and improve patient outcomes. Understanding and monitoring complication rates is essential for healthcare providers to make informed decisions about patient care and treatment options. Research in this area aims to identify factors that contribute to complications, develop strategies to prevent them, and improve overall patient safety and quality of care.