Objective To investigate the effect of bone cement augmentation and conventional pedicle screw fixation in the treatment of degenerative lumbar spine disease in the elderly. Methods Eighty elderly patients with degenerative lumbar disease treated in our hospital from April 2010 to June 2015 were selected. According to the random number table method they were divided into intensive group(bone cement augmentation pedicle screw fixation) and conventional group(conventional pedicle screw fixation). Clinical eff...