Accidental Durotomy in Minimally Invasive Transforaminal Lumbar Interbody Fusion: Frequency, Risk Factors, and Management

Table 2

Distribution of operated levels and accidental durotomies.

Level of MIS TLIF	Number of MIS TLIF	Number of durotomies	Percentage of durotomies
L1/2	14	0	0.0%
L2/3	49	2	4.1%
L3/4	96	7	7.3%
L4/5	215	21	9.8%
L5/S1	140	2	1.4%
Total	514	32	6.2%

MIS TLIF: minimally invasive transforaminal lumbar interbody fusion.