Minimally Invasive TLIF Using Unilateral Approach and Single Cage at Single Level in Patients over 65

Table 4

Claudication.

Claudication	Preoperative (%)	Postoperative (%)
Severe (0–20 min)	60.53 (23/38)	0 (0/38)
Moderate (20–40 min)	2.63 (1/38)	0 (0/38)
Mild (40–60 min)	0 (0/38)	5.26 (2/38)
None	36.84 (14/38)	94.74 (36/38)