Table 3 |
||
|
Influence of potential factors on the objectively measured walking distance |
||
|
Potential factors |
Bivariate Analysis (with metric walking distance) |
Multiple Analysis (Ordinal regession analysis with categorized walking distance) |
|
Test parameter/significance |
Test parameter/significance |
|
|
|
||
|
Age |
-0.024 |
-- |
|
Gender |
4251) |
-- |
|
Height |
0.066 |
-- |
|
Weight |
-0. 121 |
-- |
|
Body Mass index (BMI) |
-0.194* |
-0.079 |
|
Functional status (FFbH-R) |
0.225* |
+0.017 |
|
Depression Score (CES-D) |
-0.053 |
-- |
|
Area L1/2 |
-0.188* |
-0.017* |
|
Area L2/3 |
-0.140 |
-- |
|
Area L3/4 |
-0.004 |
-- |
|
Area L4/5 |
-0.115 |
-- |
|
Area L5/S1 |
-0.058 |
-- |
|
Number of segments with less than 100 mm2 |
-0.106 |
-- |
|
Mean canal diameter of the dural sac mm2 |
-0.142 |
-- |
|
Number of segments with less than 70 mm2 |
0.029 |
-- |
|
More than two segments with less than 70 mm2 |
2951) |
-- |
|
Lowest area of all segments |
-0.113 |
-- |
|
|
||
|
n = 63, significance limit: p < 0.05 (*) 1) Test value from Mann-Whitney U test, otherwise Kendall's Tau B |
||
|
Zeifang et al. BMC Musculoskeletal Disorders 2008 9:89 doi:10.1186/1471-2474-9-89 |
||
