Table 5.

Cost avoidance with robotic spine technology

Variable	Case number	Impact	Annual savings
Time	93 MIS robotic surgeries	317 Minutes of time savings in MIS cases*	$5,713
Revisions	430 Robotic surgeries (MIS/open)	9.47 Revisions avoided	$314,661
Infection rates	50 Patients converted from open to MIS cases	2.30 Infections avoided	$36,312
Length of stay	50 Patients converted from open to MIS cases	140 Number of ward days reduced†	$251,860
Total			$608,546

MIS, minimally invasive spine surgery.

^*Assumes 3.4 minutes of time saved per MIS case.

^†Assumes difference of 2.8 days per length of stay (open vs. MIS).