Fig. 7From: Anatomical characteristics affecting the surgical approach of oblique lateral lumbar interbody fusion: an MR-based observational studyPrediction of surgical window using a multiple linear regression model. Surgical window = − 1.955 + 0.093*age − 1.112*sex − 0.5835*psoas major thickness + 0.2937* insertion angle + 0.2087* transverse diameter of vertebral superior endplate + 0.5256*distance DBack to article page