Pregabalin for Refractory Radicular Leg Pain due to Lumbar Spinal Stenosis: A Preliminary Prospective Study
Table 2
Patient demographics.
Safety analysis ()
Efficacy analysis ()
Sex (M/F)
46/50
22/35
0.76
Age (years; mean SD)
69.1 10.6
71.0 8.7
0.85
Height (cm; mean SD)
158.7 9.2
156.9 8.3
0.66
Weight (kg; mean SD)
58.7 10.8
57.4 10.7
0.85
LSS duration (months)
38.2 36.6
45.4 42.7
0.67
Stenosis severity on MRI, (%)
Mild
24 (25.3)
9 (15.8)
0.55
Moderate
42 (44.2)
25 (43.9)
Severe
29 (30.5)
23 (40.4)
LSS pathology, (%)
Spinal nerve compression
34 (36.2)
16 (28.6)
0.82
Cauda equina compression
10 (10.6)
7 (12.5)
Both (mixed)
50 (53.2)
33 (58.9)
Significantly different according to chi-square and Fisher’s tests. MRI: magnetic resonance imaging; SD: standard deviation; LSS: lumbar spinal stenosis.
