Country	Physician Type	Mean Knowledge Score (%)	Sample Size	Year Published
United States	Majority Internists, Pediatricians, or Family Practitioners	13.2 (73.3%)	108	2003[@37968]
China	Anesthesiologists	11.21 (62.3%)	321	2011[@37972]
Latin America (Ecuador, Peru, Venezuela)	Primary Care	10.8 (60%)	367	2013[@37973]
Ecuador	Pre-graduated Medical Students	9.16 (50.9%)	68	2013[@37974]
Nigeria	Graduating Medical Students	7.6 (42.2%)	143	2015[@37975]
Nigeria	Residents vs. General Practitioners	10.8 (60%) vs. 10 (55.6%)	235 vs. 38 (total N=273)	2017[@37976]
Italy	Anesthetists	11.88 (66%)	370	2017[@37977]
Ecuador	Recent Graduates vs. Practicing Physicians	9.63 (53.5%) vs. 10.87 (60.4%)	265 vs. 367 (total N=656)	2018[@37978]
India	Anesthesiologists	12.01 (66.7%)	201	2019[@37979]
Malaysia	Primary Care	11.6 (64.4%)	207	2020[@37980]