Fig. 1From: Comparison of serum markers for muscle damage, surgical blood loss, postoperative recovery, and surgical site pain after extreme lateral interbody fusion with percutaneous pedicle screws or traditional open posterior lumbar interbody fusionSurgical time and blood loss between XLIF/PPS and PLIF approaches. ****P < 0.0001, NS = not significant. Data were analyzed using the unpaired T testBack to article page