| All patients (n = 80) | Moderate stenosis (n = 36) | Severe stenosis (n = 44) | P-value |
---|---|---|---|---|
Male/female | 35/45 (43/56) | 18/18 (50/50) | 17/27 (39/61) | 0.308 |
Marital status married or co-habiting | 52 (65) | 25 (69.5) | 27 (61.3) | 0.762 |
Current smoker | 17 (21.3) | 10 (27.7) | 7 (16.0) | 0.345 |
Previous lumbar operation | 11 (13) | 6 (16.7) | 5 (11.4) | 0.248 |
DepressedČť | 17 (21) | 6 (16.7) | 11 (25.0) | 0.365 |
Minimal dural sac areaɫ | 56.1 (21.9) | 72.1 (18.0) | 43.0 (15.2) | 0.000 |
Age | 63.0 (11.0) | 62.0 (11.6) | 64.0 (10.8) | 0.413 |
BMI (kg/m2) | 29.6 (4.0) | 29.5 (4.4) | 29.8 (3.5) | 0.746 |
Number of somatic diseases | 5.3 (3.0) | 5.6 (3.2) | 5.1 (2.8) | 0.445 |
ODI | 44.7 (16.1) | 45.4 (18.0) | 44.1 (14.4) | 0.731 |
VAS overall | 33.3 (23.9) | 34.6 (24.7) | 31.9 (25.0) | 0.523 |
NRS LBP | 4.1 (2.6) | 4.72 (2.6) | 3.59 (2.4) | 0.059 |
NRS LP | 6.49 (2.6) | 7.33 (2.29) | 5.80 (2.72) | 0.008 |
BDI score | 10.4 (6.1) | 9.78 (6.86) | 10.93 (5.546) | 0.233 |
Walking distance (m) | 545 (445) | 421 (431) | 646 (436) | 0.021 |
Foraminal stenosis (normal/moderate/severe)§ |  | 53/39/8 | 55/36/9 | 0.971 |
Multilevel stenosis yes/no§ |  | 53/47 | 70/30 | 0.104 |
Lumbar fusion yes§ |  | 33 | 66 | 0.258 |