Fig. 2From: Short- versus long-segment posterior spinal fusion with vertebroplasty for osteoporotic vertebral collapse with neurological impairment in thoracolumbar spine: a multicenter studySurgical time and blood loss in the S and L groups. Each box indicates interquartile range and line in the box indicates median value. Bar is minimum to maximum; ** p < 0.01, *** p < 0.001Back to article page