Comparing Miniopen and Minimally Invasive Transforaminal Interbody Fusion in Single-Level Lumbar Degeneration

Table 1

Demographic data of each surgical approach.

	Traditional open TLIF	Miniopen TLIF	Minimally invasive TLIF
Number	120	817	36
Mean age	57.2	56.4	53.5
Estimated blood loss (mL)	250	130	120
Surgery time (min)	92	108	138
Timing of getting out of bed (day)	3.8	2.2	1.5