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Table 4 Number of patients undergoing pedicle subtraction osteotomy (PSO), fusion for spine deformity and posterior spine fusion who were diagnosed with adult spine deformity by Year in the United States (US) from the 5 % Medicare sample represented in the PearlDiver Database

From: Utilization trends of pedicle subtraction osteotomies compared to posterior spinal fusion for deformity: a national database analysis between 2008–2011

Year Number of procedures US estimates
PSO Fusion for deformity Posterior spine fusion Adult spine deformity PSO Fusion for deformity Posterior spine fusion Adult spine deformity
2008 13 101 2,882 28,172 260 2,020 57,640 563,440
2009 15 87 3,293 29,841 300 1,740 65,860 596,820
2010 42 99 3,540 30,668 840 1,980 70,800 613,360
2011 32 112 3,624 33,376 640 2,240 72,480 667,520
Total 102 399 13,339 122,057 2,040 7,980 266,780 2,441,140