Table 1 Research questions. Overview of the clinical research questions
From: Is OpenSDE an alternative for dedicated medical research databases? An example in coronary surgery
| Â | Query name |
|---|---|
Q1 | How many endarterectomies are performed in 1, 2 and 3 vessel diseased patients |
Q2 | What is the mean age of patients who underwent only venous revascularization |
Q3 | What is the number of patients older than 65 years only arterial revascularised as a percentage of the total number of patients. |
Q4 | Male/Female ratio |
Q5 | What is the number of complications per operation location. |
Q6 | What is the number of patients with left main- and 3 vessel disease |
Q7 | What is the percentage of patients in each hospital with diabetes (Erasmus MC, MCRZ). |
Q8 | What is the average amount of distal anastomoses per operation. |
Q9 | What is the number of 1, 2 and 3 vessel diseased patients in Erasmus MC and MCRZ. |