TY - CHAP M1 - Book, Section TI - Facetogenic Pain A1 - Gray, Daniel P. A1 - Simopoulos, Thomas T. A2 - Bajwa, Zahid H. A2 - Wootton, R. Joshua A2 - Warfield, Carol A. PY - 2016 T2 - Principles and Practice of Pain Medicine, 3e AB - More than 60% of people in developed countries will experience spinal pain at some time in their lives. Back pain is the most common complaint of patients referred to pain clinics. The pain is nonspecific in about 85% of the cases, and onset of symptoms is most often between the ages of 35 and 55 years. According to some sources, 15% to 45% of all adults experience lower back pain, and 1 in 20 people present with a new episode annually. In 2008, 3.7 million workplace injuries were reported, and of these, 65% were attributed to the low back. In 2012, state workers’ compensation programs provided almost $60 billion in cash and medical care benefits. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - neurology.mhmedical.com/content.aspx?aid=1131933528 ER -