Table 1.
Demographic data of the three groups
| Values | SEMG-Assisted Stretching (N=104) | Functional Restoration Only (N=36) | Control group (N=30) | P |
|---|---|---|---|---|
| Age (mean/SD) | 44.3 (10.0) | 42.7 (10.1) | 37.6 (9.3) | .005 |
| Gender (% male) | 58 % (n=60) | 72% (n=26) | 53% (n=16) | NS |
| Race (%) | ||||
| Caucasian | 54% (n=56) | 50% (n=18) | 80% (n=24) | NS |
| African-American | 27% (n=28) | 25% (n=9) | 10% (n=3) | |
| Hispanic | 11% (n=11) | 19% (n=7) | 6.7% (n=2) | |
| Asian | 1% (n=1) | 0 (n=0) | 3% (n=1) | |
| Other | 4% (n=4) | 3% (n=1) | 0 (n=0) | |
| Not answered | 4% (n=4) | 3% (n=1) | 0 (n=0) | |
| Length of Disability in Months (mean/SD) | 23.8 (27.5) | 21.4 (23.4) | NA | NS |
| Pre-treatment Surgery (%) | ||||
| Spinal fusion | 31% (n=32) | 25% (n=9) | NA | NS |
| Lumbar spine surgery other than fusion | 18% (n=19) | 22% (n=8) | NS | |
| Completion Status (%) | 77% (n=80) | 75% (n=27) | NA | NS |
| Number of SEMGAS | ||||
| Sessions (for those patients who failed to demonstrate FR at pre-treatment) | ||||
| Mean (SD) | 2.42 (1.4) | NA | NA | |
| Median | 2 | NA | NA | |
| Range | 1-6 | NA | NA |