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Table 3 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) Private Insurance Database (Medicare not included) 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 Patients in database US estimates
PSO Fusion for deformity Posterior spine fusion Adult spine deformity PSO Fusion for deformity Posterior spine fusion Adult spine deformity
2008 33 766 8,111 90,820 26,345,000 346 8,030 85,031 952,100
2009 38 750 8,172 91,686 24,625,000 430 8,496 92,572 1,038,620
2010 67 795 8626 93,537 24,810,000 756 8,975 97,386 1,056,018
2011 61 734 8,424 99,099 25,870,000 661 7,959 91,348 1,074,609
Total 199 3,045 33,333 375,142 198,876,000 2,178 33,327 364,826 4,105,885