GPT and sarcopenia: In other words, the risk of sarcopenia is the highest when ALT is less than 10, as shown in Figure 3 (the percentage of decreased SMM in types A, B, C and D in men was 64.9%, 50.4%, 35.0% and 19.6% (overall p < 0.0001), while those in women was 56.1%, 48.0%, 36.9% and 22.5% (overall p < 0.0001)).