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. 2020 Jul 10;26(4):492–505. doi: 10.3350/cmh.2020.0005

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Copyright © 2020 by The Korean Association for the Study of the Liver

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Relationship between the PMI and serum cytokine levels, (A) serum myostatin levels, (B) serum follistatin levels, (C) serum IL-6 levels. Spearman’s rank correlation was used to find the correlation between the PMI and the level of myostatin, follistatin and IL-6, and the coefficient of the correlation was indicated as Spearman’s rho (ρ). Serum myostatin levels showed a positive and linear correlation with PMI, though the correlation was weak (ρ=0.356, P<0.001). In contrast, the serum IL-6 levels showed a negative association with the PMI, which was also a weak correlation (ρ=-0.174, P=0.009). The serum follistatin levels were not correlated with the PMI. PMI, psoas muscle index; IL-6, interleukin-6.