Functional disability | Pain intensity (VAS for back) | Pain intensity (VAS for leg) | |||||||
---|---|---|---|---|---|---|---|---|---|
ODI ≤ 42 N = 14 | ODI > 42 N = 100 | p value | VAS ≤ 3 N = 26 | VAS > 3 N = 88 | p value | VAS ≤ 3 N = 33 | VAS > 3 N = 81 | p value | |
Gender | |||||||||
Male | 7 | 34 | 0.243 | 13 | 28 | 0.09 | 16 | 25 | 0.075 |
Female | 7 | 66 | 13 | 60 | 17 | 56 | |||
Age (years) (mean ± SD) | 70.1 (8.0) | 70.1 (9.2) | 0.985 | 70.0 (6.8) | 70.1 (9.6) | 0.759 | 71.1 (9.0) | 69.7 (9.0) | 0.305 |
BMI (kg/m2) (mean ± SD) | 26.71 (4.55) | 26.56 (3.99) | 0.896 | 27.07 (3.62) | 26.44 (4.16) | 0.313 | 26.79 (3.87) | 26.49 (4.12) | 0.722 |
Back pain duration | 35.5 (59.2) | 89.9 (80.9) | 0.037 | 60.0 (88.6) | 82.1 (77.0) | 0.004 | 74.9 (71.2) | 78.0 (83.6) | 0.851 |
Leg pain duration | 17.5 (39.7) | 26.0 (58.4) | 0.165 | 43.9 (65.8) | 34.9 (52.9) | 0.235 | 34.6 (59.5) | 37.9 (54.7) | 0.305 |
Number of levels involved (mean ± SD) | 3.14 (0.36) | 3.27 (0.47) | 0.332 | 3.19 (0.49) | 3.27 (0.45) | 0.337 | 3.30 (0.47) | 3.23 (0.45) | 0.389 |
PMI | 6.75 (2.18) | 5.51 (1.26) | 0.002 | 6.93 (1.52) | 5.28 (1.20) | < 0.001 | 5.60 (1.52) | 5.68 (1.43) | 0.802 |
HU | 40.88 (5.07) | 35.91 (5.12) | 0.001 | 40.21 (5.25) | 35.43 (4.90) | < 0.001 | 35.86 (6.88) | 36.78 (4.62) | 0.405 |
MPM | 0.58 (0.10) | 0.59 (0.11) | 0.735 | 0.60 (0.09) | 0.59 (0.11) | 0.659 | 0.57 (0.09) | 0.60 (0.11) | 0.152 |