| ODI scale | VAS overall scale | NRS LBP | NRS LP | Beck depression index | Treadmill test |
---|---|---|---|---|---|---|
Central spinal canal (mm2) | r = 0.086 | r = -0.036 | r = -0.004 | r = 0.023 | r = -0.099 | r = -0.145 |
 | P = 0.448 | P = 0.752 | P = 0.972 | P = 0.841 | P = 0.380 | P = 0.200 |