From: Regional differences between superficial and deep lumbar multifidus in patients with chronic lumbar spine pathology
Age (years)
61.9 ± 17.3
Gender (M:F)
10:6
Duration of Symptoms (years)
3.8 ± 6.1
Biopsy Side (L:R)
8:8
Biopsy Level
 L3
5
 L3-L4
4
 L4
1
 L4-L5
 L5
0
 L5-S1
NPRS (points)
5.7 ± 2.5
ODI (%)
47.6 ± 17.9