Pelvic parameters and sagittal alignment in people with chronic low back pain and active discopathy (Modic 1 changes): A case–control study

Dear Editor. We read with interest the letter ‘‘Pelvic parameters and sagittal alignment in people with chronic low back pain and active discopathy (Modic 1 changes): a case–control study’’ by Blandin et al. [1] and would like to propose some comments