The Growing Pain of Spinal Stenosis. Chart 1: Hospitalizations due to spinal stenosis (Bar graph): 2003 (177,130), 2008 (216,400), 2012 (256,500).
Chart 2: 2.2 million lumbar epidural steroid injections are performed each year in the Medicare population.
Chart 3: One in four epidural steroid injections performed in the Medicare population is for spinal stenosis.
Sources: AHRQ Healthcare Cost and Utilization Project (HCUP) data, http://www.ahrq.gov/research/data/hcup/index.html (first chart); Friedly JL, Comstack BA, Turner JA, et al., A Randomized Trial of Epidural Steroid Injections for Spinal Stenosis, New England Journal of Medicine, July 3, 2014 (second and third charts).