Fig. 2From: Surgical outcomes of spinal fusion for osteoporotic thoracolumbar vertebral fractures in patients with Parkinson’s disease: what is the impact of Parkinson’s disease on surgical outcome?a Box and whisker plot showing the mean lower back pain VAS preoperatively and at the final follow-up. b Box and whisker plot showing the mean lower extremity pain VAS preoperatively and at the final follow-up. VAS, visual analog scaleBack to article page