Dimension | Coding | Empirical Measurements |
---|---|---|
 |  | Arithmetic mean ± standard deviation2 or frequency of entries |
Number of patients | Â | N = 63 |
Age | Patient Age | 68.11 (13.18) |
Gender | Male | 26 |
 | Female | 37 |
Height | cm | 167.92 ± 9.37 |
Weight | kg | 78.49 ± 13.48 |
Body mass index (BMI) | kg/m2 | 27.81 ± 4.14 |
Functional capacity (FFbH-R) | Kohlmann (1996) | 43.75 ± 20.41 |
Depression score (CES-D) | Radloff (1977) | 13.63 ± 8.28 |
Area L1/2 | mm2 | 113,65 ± 30.38 |
Area L2/3 | mm2 | 93.79 ± 31.47 |
Area L3/4 | mm2 | 73.00 ± 30.58 |
Area L4/5 | mm2 | 65.16 ± 31.07 |
Area L5/S1 | mm2 | 92.79 ± 32.70 |
Mean canal diameter of the dural sac | mm | 87.68 ± 22.38 |
Number of segments with less than 100 mm2 | -- | 1.84 ± 1.36 |
Number of segments with less than 70 mm2 | -- | 1.65 ± 1.26 |
Lowest area of all segments | -- | 52.65 ± 452.20 |
Subjective assessment | Â | Â |
Location of pain1 | Back pain | 48 |
 | Back pain and leg pain | 52 |
Anticipation of leading pain location1 | Mainly back pain | 21 |
 | Mainly leg pain | 29 |
 | Tiredness in the legs | 20 |
Anticipation of pain quality1 | Pulling pain | 38 |
 | Dull pain | 12 |
 | Burning pain | 17 |
Behavior subsequent to pain aggravation1 | To stand still | 32 |
 | Forward bending | 15 |
 | Sitting | 28 |
Subjective estimation of walking distance (by category) | Up to 50 m | 9 |
 | < 50–100 m | 7 |
 | <100–200 m | 13 |
 | <200–500 m | 15 |
 | >500 m | 19 |
Gait analysis | Â | Â |
Objectively measured walking distance (metric) | m | 172.00 (422.00) |
Walking time (seconds) | s | 352.00 (500.00) |
Maximum walking speed | m/s | 0.60 ± 0.27 |
Objectively measured walking distance (by category) | Up to 50 m | 9 |
 | < 50–100 m | 14 |
 | <100–200 m | 14 |
 | <200–500 m | 10 |
 | >500 m | 16 |