Fig. 2From: Association between cervical artery dissection and spinal manipulative therapy –a medicare claims analysisAssociation Of CeAD And encounter type by analytic approach. The Forest Plot displays odds ratios for the association of VAD and CAD with receiving - in the 7 days prior to diagnosis of CeAD - CSM, or neither CSM nor E&M, vs. E&M (referent group). The odds ratios are reported for three types of design: Medicare population case-controls, ischemic stroke controls, and case-crossover (the control is a 6 month look back in the case).Back to article page