Figure 1From: Comparison of non-surgical treatment methods for patients with lumbar spinal stenosis: protocol for a randomized controlled trialStudy flow diagram. Primary outcome measures of self-reported pain/function and physical performance are the Swiss Spinal Stenosis questionnaire [19] and the Self-Paced Walking Test [20]. Secondary outcome measure of physical activity is the SenseWear armband (BodyMedia, Pittsburgh, PA) worn for 1Â week.Back to article page