TABLE 1.

Baseline Characteristics of Observers

Region	Responses	172
	Africa	5.2%
	Asia	20.3%
	Europe	42.4%
	Latin and South America	19.2%
	Middle East	8.1%
	North America	4.7%
Years of practice	Responses	171
	<5 y	22.8%
	5–10 y	24.0%
	11–20 y	33.3%
	>20 y	19.9%
Specialty	Responses	172
	General orthopaedics	4.7%
	Neurosurgeon	23.3%
	Orthopaedic spine Surgery	66.3%
	Orthopaedic trauma Surgery	5.2%
	Other	0.6%