Table 1.

Demographic and surgical factor comparisons.

	DJK	Non-DJK	Sig.
Age, years	60.3	62.2	0.355
Gender, % female	71% female	61% female	0.080
BMI, kg/m2	27.0	28.3	0.311
CCI	1.11	0.95	0.684
Levels fused	7.0	6.0	0.147
EBL, mL	1028.3	843.9	0.052
Operative length, mins	484.0	556.5	0.064
Osteotomies, %	76.5	49	0.005

BMI = body mass index, CCI = Charlson Comorbidity Index; EBL = estimated blood loss.