Table 2.
A Logistic Regression Assessing the Impact of Race, Gender, Sex, and the Size/Location of a Herniation on the Likelihood That a Patient Will Require Surgery After 6 Weeks of Conservative Management.a
| Logistic Regression Analysis (N = 339) | |||
|---|---|---|---|
| Variable | Odds Ratio | P | 95% CI |
| Size of herniation | 1.003 | .822 | 0.98-1.03 |
| Demographic | |||
| Age | 1.00 | .305 | 0.97-1.09 |
| Sex | |||
| Female | Reference | Reference | Reference |
| Male | 1.03 | .937 | 0.48-2.19 |
| Race | |||
| Caucasian | Reference | Reference | Reference |
| African American | 0.95 | .948 | 0.20-4.42 |
| Asian | 0.51 | .527 | 0.06-4.08 |
| Hispanic | 0.69 | .722 | 0.08-5.53 |
| Other | 0.89 | .875 | 0.19-4.04 |
| Location of herniation | |||
| L5-S1 | Reference | Reference | Reference |
| L4-L5 | 0.52 | .05 | 0.24-1.11 |
a A total of 15 patients were excluded due to no reported race. An additional 14 patients were excluded due to the herniation being at L3-L4 (no patients with herniations at this level required surgical treatment after 6 weeks of nonoperative management).