Table 3.
Independent Predictors of Utilization of Clinical Services
| LS Spine XR | PT Referral | CT/MRI | Specialty Reference | Any Service | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | P Value | OR | P Value | OR | P Value | OR | P Value | OR | P Value | |
| Hx of cancer | 1.9 | .001 | NS* | NS | NS | 1.7 | .006 | |||
| Gender | NS | NS | NS | NS | NS | |||||
| Age > 50 years | 1.5 | <.0001 | NS | NS | NS | 1.3 | .0005 | |||
| Hx low back pain | 1.2 | .03 | 1.5 | .0004 | 1.3 | .04 | 1.4 | .003 | 1.6 | <.0001 |
| Pain > 3 weeks | 1.5 | .0003 | 1.9 | <.0001 | 1.8 | .0006 | 1.8 | .0002 | 1.9 | <.0001 |
| Sciatica | 1.3 | .002 | NS | 2.5 | <.0001 | 2.1 | <.0001 | 1.5 | <.0001 | |
| Neuro findings | 1.7 | .0008 | 1.7 | <.007 | 3.6 | <.0001 | 3.3 | <.0001 | 2.4 | <.0001 |
| # visits in episode | 1.9 | <.0001 | 2.8 | <.0001 | 2.9 | <.0001 | 1.9 | <.0001 | 3.0 | <.0001 |
ls, lumbosacral; pt, phqsical therapy; Hx, history of; xr, x-ray; CT, computed tomography; mri, magnetic resonance imaging.
*
NS = not statistically significant (P > .05).