Table 1.
Demographic summary of all patients with failed back surgery
| All patients with FBSS | Co-morbid depression | ||
|---|---|---|---|
| No | Yes | ||
| Gender | |||
| Male | 47.94 (47.2–48.7) | 42.51 (42.4–42.6) | 36.78 (35.3–38.3) |
| Female | 52.06 (51.3–52.8) | 57.49 (57.4–57.6) | 63.22 (61.7–64.7) |
| Age | |||
| 18–44 | 13.64 (13.1–14.2) | 40.1 (39.7–40.5) | 13.25 (12.3–14.3) |
| 45–64 | 45.71 (45–46.5) | 24.73 (24.6–24.9) | 51.6 1(50.1–53.1) |
| 65–84 | 38 (37.2–38.8) | 26.97 (26.8–27.2) | 33.41 (32.0–34.9) |
| > 85 | 2.65 (2.4–2.9) | 8.2 (8.1–8.3) | 1.73 (1.4–2.2) |
| Race | |||
| White | 83.14 (82.2–84.1) | 65.91 (65.3–66.5) | 86.86 (85.6–88.1) |
| Black | 7.06 (6.6–7.5) | 14.98 (14.6–15.4) | 4.86 (4.2–5.6) |
| Hispanic | 6.37 (5.7–7.1) | 12.19 (11.7–12.7) | 5.93 (5.0–7.0) |
| Asian/Pacific Islander | 0.92 (0.8–1.1) | 2.77 (2.7–2.9) | 0.54 (0.34–0.88) |
| Native American | 0.45 (0.4–0.6) | 0.65 (0.6–0.7) | 0.47 (0.3–0.72) |
| Other | 2.05 (1.8–2.4) | 3.49 (3.3–3.7) | 1.33 (1.0–1.8) |
| Location | |||
| Urban | 94.12 (92.8–95.2) | 89.37 (89.0–89.7) | 93.58 (92.1–94.8) |
| Rural | 5. 88 (4.8–7.2) | 10.63 (10.3–11.0) | 6.42 (5.2–7.9) |
Results listed represent the average proportion per year as a percentage with 95% confidence interval