Treatment of Osteoporotic Vertebral Fractures

To the Editor We read with interest the article by McCullough et al.¹ The authors have used the Medicare data set to perform a mortality analysis and cited our study² as being in contrast to their findings. Their study suggests that, because of selection bias, our finding that vertebral augmentation had a measurable and positive effect on mortality was incorrect. However, we stand by our finding and note several important limitations of the study by McCullough et al.¹