Anterior Lumbar Interbody Implants: Importance of the Interdevice Distance

Table 1

Patient characteristics.

	Wide cage (SD)	Narrow cage (SD)
Average age (years)	43.2 (8.6)	46.1 (6.2)
Average BMI (kg/m^2)	26.1 (4.9)	28.9 (4.7)
Average number of months of followup	18.4 (12.8)	21.9 (15.0)
% Female gender	50%	51%
% Nonsmokers	71.4%	58.3%