Prevalence, Spinal Alignment, and Mobility of Lumbar Spinal Stenosis with or without Chronic Low Back Pain: A Community-Dwelling Study
Table 4
Comparisons of spinal alignment in LSS subjects with or without CLBP.
Variables
LSS alone ()
LSS+CLBP ()
Total ()
Upr thoracic kyphosis angle (°)
40.7 (5.3)
35.0 (11.9)*
36.9 (10.5)
Upr lumbar kyphosis angle (°)
−10.7 (12.4)
0.1 (20.4)*
−3.6 (18.7)
Upr spinal inclination (°)
5.5 (6.8)
12.1 (11.9)*
9.8 (10.9)
Flex thoracic kyphosis angle (°)
45.2 (10.1)
40.3 (13.1)
41.9 (12.3)
Flex lumbar kyphosis angle (°)
9.5 (17.0)
24.9 (18.6)*
19.6 (19.4)
Flex spinal inclination (°)
85.9 (30.2)
87.1 (25.3)
86.7 (26.8)
Ext thoracic kyphosis angle (°)
32.7 (10.4)
26.7 (15.0)
28.8 (13.8)
Ext lumbar kyphosis angle (°)
−18.5 (9.9)
−5.7 (20.7)*
−10.0 (18.7)
Ext spinal inclination (°)
−14.8 (11.9)
−5.2 (18.3)*
−8.4 (17.0)
*Significant difference versus LSS alone group ( by unpaired t-test). LSS: lumbar spinal stenosis; CLBP: chronic low back pain; upr: upright position; flex: flexed position; ext: extended position. Data are presented as mean (SD).
