Per level
OBESE
Independent radiologic evaluation was used to determine per level fusion. A total of 88 cervical levels were reviewed from the available 6-month post-op radiographs and 65 levels were reviewed from the available 12-month post-op radiographs. There were 57 levels reviewed from lumbar radiographs at 6 months post-op and 50 levels at 12 months post-op. Based on the Bridwell interbody fusion grading system (Table Pre- and post-operative radiographs of a 2-level ACDF using ViBone on a 58-year-old obese, current smoker, type II diabetic female at C5–C6 and C6–C7. Pre- and post-operative radiographs of a 2-level ALIF using ViBone on a 74-year-old overweight female at L4–L5 and L5–S1. 