Table 5.

Patient-reported outcome measures before and after surgery (6 months follow-up)

	Before surgery	After surgery	p
VAS leg pain
FA group	9 (4–10)	2 (0–10)	< 0.010
CTNav group	8 (4–10)	2 (0–7)	< 0.010
VAS back pain
FA group	9 (5–10)	3 (0–10)	< 0.010
CTNav group	8 (4–10)	4 (0–9)	< 0.010
ODI
FA group	57 (16–92)	27 (0–68)	< 0.010
CTNav group	53 (14–82)	34 (6–80)	< 0.010

Data are expressed as median (range). VAS visual analog scale, ODI Oswestry disability index, FA fluoroscopy assisted, CTNav CT-navigation assisted