A Novel Capsule Lumbar Interbody Fusion (CLIF) in Treating Foot Drop due to Lumbar Degenerative Diseases: a Prospective, Observational Study

Table 2

Clinical evaluation of patients in the TLIF group and CLIF group.

Parameters (median (range))	Total	TLIF	CLIF	value
Pre
VAS	3 (0–5)	3 (0–5)	3 (0–5)	0.511
JOA	16 (15–21)	16 (15–21)	15.5 (15–18)	0.211
3 months after operation
VAS	1 (0–3)	1 (0–3)	1.5 (0–3)	0.799
JOA	20 (18–23)	20 (18–23)	20 (18–21)	0.530
Final follow-up
VAS	0 (0–1)	0 (0–1)	0 (0–2)	0.281
JOA	24 (20–26)	25 (20–26)	24 (22–26)	0.448
Muscle strength of TA
Pre. muscle	2 (0–3)	2 (0–3)	2 (0–3)	0.989
3 months after operation	4 (1–5)	3 (1–4)	4 (3–5)	0.025
Recovery rate (%)	50 (20–75)	33 (20–60)	55 (33–100)	0.008
Final follow-up	5 (3–5)	4 (3–5)	5 (4–5)	0.065
Recovery rate (%)	100 (50–100)	75 (50–100)	100 (50–100)	0.058

indicates a statistical difference of the parameter at different time points after surgery compared with that at preoperation. JOA: Japanese Orthopaedic Association; VAS: visual analogue scale.