Sun Yat-sen University's attending physician examination pass rate is 20%. According to the data released by Sun Yat-sen University on March 25th, 2023, there were 10 doctors who took the examination for attending physicians in Sun Yat-sen University, only 2 of them reached the passing score and passed the examination, 2/ 10 = 0.2, so the passing rate of the examination for attending physicians in Sun Yat-sen University was 20%.