Table 2. Baseline characteristics.
| Control n = 38 | Active n = 38 | |
| Age, years: mean (SD), range | 70.8 (8.3), 53 to 87 | 75.3 (8.6), 54 to 86 |
| Female: n (%) | 18 (47.4%) | 22 (57.9%) |
| BMI: mean (SD), range | 28.10 (4.34), 20.8 to 37.1 (n = 36) | 28.30 (5.32), 22.5 to 49.2 (n = 35) |
| Duration*, years: median (IQR) | 10.0 (2.8 to 35.8) | 3.5 (1.0 to 10.0) |
| Spinal MRI report available | 23 (60.5%) | 20 (52.6%) |
| SSS symptom: mean (SD) | 3.3 (0.5) | 3.2 (0.6) |
| SSS physical: mean (SD) | 2.6 (0.4) | 2.2 (0.4) |
| Shuttles completed: median (IQR) | 21.0 (12.0 to 34.5) | 15.0 (5.5 to 27.5) (n = 37) |
| Oswestry score: mean (SD) | 43.4 (9.5) | 42.1 (7.7) |
| General Well-Being Index: mean (SD) | 65.68 (14.44) | 67.26 (11.60) (n = 35) |
| Back pain VAS: mean (SD) | 63.2 (29.4) | 55.2 (29.6) (n = 37) |
| Leg pain VAS: mean (SD) | 67.6 (22.8) | 64.5 (30.0) (n = 36) |
| HADS depression: mean (SD) | 9.0 (3.2) | 9.3 (2.4) (n = 37) |
| N physio sessions: median (IQR), range | 1 (1 to 1), 0 to 2 | 3 (2 to 3), 0 to 4 (n = 36) |
*
Time since onset of first symptom (back and/or leg pain).