Table 1.
Participant demographics
| Controls (N = 44) |
LBP (N = 24) |
LBP + Leg Pain (N = 25) |
||||
|---|---|---|---|---|---|---|
| No. (%) or M (SD) | Min–Max | No. (%) or M (SD) | Min–Max | No. (%) or M (SD) | Min–Max | |
| Sex, females* | 32 (72.7%) | 13 (54.2%) | 15 (60.0%) | |||
| Race, Caucasian* | 38 (86.4%) | 22 (91.7%) | 23 (92.0%) | |||
| Age, y | 71.4 (6.5) | 60–85 | 71.7 (6.8) | 62–83 | 67.8 (5.7) | 60–82 |
| Body mass index, kg/m2 | 26.8 (4.4) | 20.5–38.4 | 27.6 (4.8) | 21.2–40.0 | 29.7 (4.5) | 21.1–39.7 |
| Average LBP intensity, 0–10 | – | – | 3.2 (1.5) | 1.0–6.0 | 3.9 (1.7) | 1.3–8.6 |
| mODQ, % | – | – | 32.2 (10.0) | 12–50 | 36.1 (11.1) | 14–64 |
| SF-36 PCS, percentile | 89.6 (10.6) | 35.6–100.0 | 62.8 (19.3) | 36.3–91.3 | 58.0 (21.4) | 15.6–91.3 |
| Stair climb performance, sec | 4.7 (1.2) | 2.6–8.4 | 6.1 (2.7) | 1.9–13.0 | 5.5 (1.8) | 2.4–10.7 |
| Epidural fat diameter, mm | 3.8 (1.1) | 1.8–7.1 | 4.8 (1.6) | 0.5–8.1 | 4.7 (1.6) | 1.6–8.3 |
LBP = low back pain; mODQ = modified Oswestry Low Back Disability Questionnaire; SF-36 PCS = Short Form–36 Physical Component Summary Score.
*
Data presented as number of participants (% of sample).