• Uchenna Ajoku, Michael G Johnson, Greg McIntosh, Ken Thomas, Christopher S Bailey, Hamilton Hall, Charles G Fisher, Neil Manson, Y Raja Rampersaud, Nicolas Dea, Sean Christie, Edward Abraham, Michael H Weber, Raphaele Charest-Morin, Najmedden Attabib, André le Roux, Philippe Phan, Jerome Paquet, Peter Lewkonia, and Michael Goytan.
• Winnipeg Spine Program, Health Sciences Centre, University of Manitoba, Winnipeg, MB, Canada.
• Eur Spine J. 2023 Oct 1; 32 (10): 358335903583-3590.

Study DesignAn ambispective review of consecutive cervical spine surgery patients enrolled in the Canadian Spine Outcomes and Research Network (CSORN) between January 2015 and September 2019.PurposeTo compare complication rates of degenerative cervical spine surgery over time between older (> 65) and younger age groups (< 65). More elderly people are having spinal surgery. Few studies have examined the temporal nature of complications of cervical spine surgery by patient age groups.MethodsAdverse events were collected prospectively using adverse event forms. Binary logistic regression analysis was utilized to assess associations between risk modifiers and adverse events at the intra-, peri-operative and 3 months post-surgery.ResultsOf the 761 patients studied (age < 65, n = 581 (76.3%) and 65 + n = 180 (23.7%), the intra-op adverse events were not significantly different; < 65 = 19 (3.3%) vs 65 +  = 11 (6.1%), p < 0.087. Peri-operatively, the < 65 group had significantly lower percentage of adverse events (65yrs (11.2%) vs. 65 +  = (26.1%), p < 0.001). There were no differences in rates of adverse events at 3 months post-surgery (< 65 = 39 (6.7%) vs. 65 +  = 12 (6.7%), p < 0.983). Less blood loss (OR = 0.99, p < 0.010) and shorter length of hospital stay (OR = 0.97, p < 0.025) were associated with not having intra-op adverse events. Peri-operatively, > 1 operated level (OR = 1.77, p < 0.041), shorter length of hospital stay (OR = 0.86, p < 0.001) and being younger than 65 years (OR = 2.11, p < 0.006) were associated with not having adverse events.ConclusionFollowing degenerative cervical spine surgery, the older and younger age groups had significantly different complication rates at peri-operative time points, and the intra-operative and 3-month post-operative complication rates were similar in the groups.© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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