Table 2.

Surgical and Clinical Parameters for Patients in 1-Interbody and 2-Interbody Cohorts.

	1-Interbody, n (%) or Mean [SD]	2-Interbody, n (%) or Mean [SD]	P
Estimated blood loss (mL)	643.8 [530.3]	790.2 [402.5]	.002
Operative time (min)	222.2 [55.6]	234.9 [67.9]	.147
Length of stay (days)	4.0 [2.1]	3.3 [1.7]	.003
Revisions	24 (13.1)	24 (10.3)	.440