No significant differences in ALT levels (WMD = -3.07 U/L; 95% CI, -11.26-5.11 U/L) or AST levels (WMD = 34.81 U/L; 95% CI, -4.39-74.02 U/L) was observed between patients with severe MERS and non-severe MERS (Table 2). Here, GPT is linked to Middle East respiratory syndrome.