According to recent reviews of tube insertions, the risk of misplacing an NG tube into the airway may reach 2% or higher when tubes are inserted blindly.
Powers, J, Brown, B, Lyman, B, et al. Development of a competency model for placement and verification of nasogastric and nasoenteric feeding tubes for adult hospitalized patients. Nutr. Clin. Pract. 2021; 36: 517– 533. https://doi.org/10.1002/ncp.10671
Marilyn Schallom. How to recognize, prevent, and troubleshoot mechanical complications of enteral feeding tubes. MyAmericanNurse, Feb 2016. https://www.myamericannurse.com/recognize-prevent-troubleshoot-mechanical-complications-enteral-feeding-tubes/.