Comparative efficacy and safety of ciprofol, propofol, and propofol and etomidate mixture, and ciprofol and etomidate mixture in patients undergoing painless gastroscopy: A randomized, double-blind controlled clinical trial

To compare the efficacy and safety of ciprofol, propofol, propofol and etomidate mixture or ciprofol and etomidate mixture in patients undergoing painless gastroscopic anesthesia, and to explore the optimal plan to relieve the patient's discomfort.