Table 4.

Analysis of the number of NASS-discordant answers stratified by specialty, fellowship training, years in practice, and region

Variable		NASS-discordant answers	p-value
Specialty			0.403
	Neurosurgery	4.62 ± 1.85
	Orthopedic Surgery	5.06 ± 2.07
Fellowship			0.762
	Yes	4.94 ± 2.02
	No	4.5 ± 2.12
Years in practice			0.335
	0–5	5.11 ± 1.66
	6–10	4.29 ± 1.63
	11–15	5.22 ± 1.92
	16–20	4.00 ± 2.38
	> 20	5.58 ± 2.81
Region			< 0.01*
	South	5.75 ± 2.09
	Northeast	3.84 ± 1.70
	Midwest	4.06 ± 1.34
	West	5.67 ± 1.50
	Canada	6.83 ± 2.13

Values are presented as mean±standard deviation.

NASS, North America Spine Society.

^*p < 0.05, statistically significant difference.