Table 1. Demographic characteristics comparing treatment groups at study entry.
| Posterior (N = 24) Mean (range) or n (%) |
Anterior (N = 10) Mean (range) or n (%) |
P-value | |
|---|---|---|---|
| Age (years) | 50.4 (18–71) | 49.9 (35–57) | .92 |
| Male | 14 (58) | 7 (70) | .70 |
| BMI | 32 (24–47) | 28.8 (18–42) | .25 |
| Levels | |||
| T1–2 | 1 | 0 | .51 |
| T2–3 | 1 | 0 | .51 |
| T3–4 | 0 | 0 | 1.0 |
| T4–5 | 1 | 0 | .51 |
| T5–6 | 1 | 0 | .51 |
| T6–7 | 2 | 3 | .06 |
| T7–8 | 7 | 3 | .67 |
| T8–9 | 6 | 1 | .32 |
| T9–10 | 3 | 3 | .11 |
| T10–11 | 3 | 1 | .84 |
| T11–12 | 10 | 1 | .41 |
| Comorbidities | |||
| Morbid obesity | 5 (21) | 2 (20) | 0.96 |
| Diabetes | 3 (13) | 2 (20) | 0.62 |
| COPD* | 2 (8) | 2 (20) | 0.56 |
| Mean follow-up (weeks) | 41 (6–168) | 34 (6–112) | 0.65 |
*
Chronic obstructive pulmonary disease.