Average National Length of Stay - Dorsal and Lumbar Fusion Procedures, except Curvature of Back Enlarge This is the average U.S. national length of stay (risk adjusted) in days that patients spent at a particular hospital for dorsal and lumbar fusion procedures, except curvature of back. Dorsal and lumbar spinal fusion includes all procedures that involve the fusion or refusion of the dorsal or lumbar spinal column. This data has been risk adjusted. Risk adjustment is a process of accounting for differences in patient population based on many parameters such as age, sex, severity of illness, risk of mortality, and other attributes. Risk adjustment allows us to fairly compare hospitals across a wide range of healthcare measures. This measure of quality should be used in conjunction with other measures to gain a more complete understanding of the quality picture. Reference: [2] [4]

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