Fig. 1

Measurement of the quadriceps muscle thickness. Abbreviations: RF, rectus femoris; VI, vastus intermedius muscle; QT, quadriceps muscle thickness. The QT, which consists of the thickness of the rectus femoris and the vastus intermedius muscle, was measured at a distance of 50% between the greater trochanter and the lateral epicondyle of the femur. Using a B-mode ultrasound apparatus (LOGIQ BOOK XP; GE Healthcare Japan, Tokyo, Japan) with a linear scanner, the procedure was conducted by a single examiner with the patient in the supine position after dialysis