Table 1.
A Comparison Between Patients Who Required Surgery for Treatment of Lumbar Disc Herniation With Those Who Did Not.a
| Surgery | Nonsurgery | Total | |
|---|---|---|---|
| Mean herniation size, % | 31.5 | 31.2 | 31.2 |
| Number of patients | 32 | 336 | 368 |
| Age, years, mean (SD) | 33.3 (7.6) | 32.1 (6.8) | 32.2 (6.9) |
| Gender, % female | 50.0 | 47.9 | 48.1 |
| Race, % | |||
| Caucasian | 78.1 | 73.2 | 73.6 |
| African American | 6.3 | 5.4 | 5.4 |
| Asian | 3.1 | 5.1 | 4.9 |
| Hispanic | 3.1 | 5.1 | 4.9 |
| Other | 6.3 | 7.1 | 7.1 |
| None | 3.1 | 4.2 | 4.1 |
| Location, % | |||
| L3-IA | 0.0 | 4.2 | 3.8 |
| L4-L5 | 37.5 | 51.5 | 50.3 |
| L5-Sl | 62.5 | 44.3 | 45.9 |
a All patients, both surgical and nonsurgical, underwent at least 6 weeks of nonoperative management.