From: A cross-sectional analysis of persistent low back pain, using correlations between lumbar stiffness, pressure pain threshold, and heat pain threshold
Parameter
Mean
SD
Median
IQR
Age
45.1
9.7
46.0
14.2
Body Mass Index
26.2
3.9
25.6
4.9
Low back pain intensity
5.6
1.8
5.5
2.7
Oswestry disability index
27.8
11.6
27.3
18.5
Pain duration (months)
48.2
78.1
14.8
53.9