Interspinous Spacer Implant in Patients with Lumbar Spinal Stenosis: Preliminary Results of a Multicenter, Randomized, Controlled Trial

<table>Improvement in ZCQ symptom severity scores through 6 months posttreatment. Values are mean  ±  95% CI.</table>

Pain Research and Treatment

Figure 4: Interspinous Spacer Implant in Patients with Lumbar Spinal Stenosis: Preliminary Results of a Multicenter, Randomized, Controlled Trial 