“…Furthermore, advanced age was found to be significantly associated with the postoperative occurrence of a complication as well as with an increased risk of an infection. [3] Nevertheless, despite the reported higher risk of morbidity and occurrence of complications, patients older than 80 years who underwent lumbar decompression surgery for degenerative lumbar spinal stenosis had a significant improvement in Spinal Stenosis Measure scores, the Feeling Thermometer, the Numeric Rating Scale, and the Roland and Morris Disability Questionnaire, as reported by Ulrich et al [19] With regard to the results of the present study, advanced patient age was significantly associated with all of the above mentioned primary outcomes in univariate analysis, however, binary logistic regression analysis only confirmed this observation for a blood loss of more than 500ml.…”