Fig. 3From: Impact of sarcopenia in elderly patients undergoing elective total hip arthroplasty on postoperative outcomes: a propensity score-matched studyA transverse CT image at the thoracic level T12. a The original CT image, b Total muscle area was identified by MATLAB, including the erector spinae, latissimus dorsi, external and internal oblique, rectus abdominis, and external and internal intercostal musclesBack to article page