We noted that our publication1 was cited by Ilgen and Uçar2 comparing studies reporting interclass correlation coefficients (ICCs). From the authors: Sharmela Sahathevan, PhD Ban-Hock Kho, PhD Chai Hong Yeong, PhD Teik Hin Tan, MBBS Abdul Kareem Meera Mohaideen, MBBS Hi Ming Ng, BSc Gild Rick Ong, BSc Sreelakshmi Sankara Narayanan, PhD Abdul Halim Abdul Gafor, MBBS Bak Leong Goh, MD Boon Cheak Bee, MD Zulfitri Azuan Mat Daud, PhD, RD Karuthan Chinna, PhD Tilakavati Karupaiah, PhD, APD (corresponding author) FUNDING INFORMATION None declared. For your interest, we calculated the ICC using the two-way random-effects model with absolute agreement to determine the validity of ultrasound imaging against computed tomography-scan measurements.

1. Sahathevan, S., Khor, B. H., Yeong, C. H., et al. (2021). Validity of ultrasound imaging in measuring quadriceps muscle thickness and cross-sectional area in patients receiving maintenance hemodialysis. JPEN Journal of Parenteral and Enteral Nutrition, 45(2), 422–426. https://doi.org/10.1002/jpen.1867
2. İlgen, U., & Uçar, İ. (2021). Intraclass correlation coefficient and reliability of muscle mass measurements. JPEN Journal of Parenteral and Enteral Nutrition. Advance online publication. https://doi.org/10.1002/jpen.2207