Applying of risk-adjusted CUSUM control chart monitoring of medical information in shoulder surgery study

In the medical, small shifts or changes that occur can to affect the final results. Since each patient is different, they pose different risks that will affect the doctor´s performance during surgery. This study is uses the Logistic model and the Cox model to compare performance. From the simulation Analysis method, we found that the Cox model can quickly find the patient´s abnormal conditions. Thus, using this method doctors can make earlier detection of patients with abnormal conditions.