The risk of stroke after spinal fusion surgery: a national cohort study 6/18/12

An exposure group of 2,249 subjects who received spinal fusion surgery during the study period was compared with 2,203 control subjects matched by age, sex, and propensity score. All were followed up for 3 years for all kinds of stroke. Demographics, comorbidities, and nonmeasurable covariates were matched between the two groups. Kaplan-Meier analyses were performed, with adjustments by Cox regression model. Read more