TABLE 1.
Epidemiology of All Participants
| Participants | Group A (n=20) | Group B (n=20) | P |
|---|---|---|---|
| Age | 67.2±7.84 | 68.7±8.01 | 0.677 |
| Sex | 0.639 | ||
| Female | 14 (70) | 12 (60) | |
| Male | 6 (30) | 8 (40) | |
| Level | 0.842 | ||
| L3–L4 | 6 (30) | 4 (20) | |
| L4–L5 | 8 (40) | 8 (40) | |
| L5–S1 | 6 (30) | 8 (40) | |
| Spine pathology | |||
| A | 6 | 8 | |
| B | 8 | 8 | |
| C | 6 | 4 | |
Data was expressed as mean±SD or the number of patients (percentage).
A indicates lumbar spinal stenosis with instability; B, lumbar spinal stenosis with foraminal stenosis; C, lumbar spinal stenosis with spondylolisthesis; DBM, demineralized bone matrix; group A, DBM Plus local bone group; group B, DBM plus cancellous bone group.