Demographic characteristics of patients who underwent focal lumbar spinal stenosis and total hip or knee arthroplasty for osteoarthritis*
| Characteristic | FLSS | H-OA | K-OA |
|---|---|---|---|
| Age, mean (range) yr | 64.2 (42–84) | 63.0 (40–84) | 64.6 (43–83) |
| Sex, female:male | 59:40 | 59:40 | 59:40 |
| BMI, mean (range) | 26.7 (16.3–54.2) | 24.0 (18.3–40.1) | 27.6 (18.2–56.1) |
| ASA physical status, median | 2 | 2 | 2 |
ASA = American Society of Anesthesiologists; BMI = body mass index; FLSS = focal lumbar spinal stenosis; H-OA = hip osteoarthritis; K-OA = knee osteoarthritis.
↵* There was no statistical difference between groups (p = 0.58, analysis of variance).