GSTM1 and metabolic dysfunction-associated steatohepatitis: After adjustment of age, frequencies of CC genotype of rs2066701 (41% vs. 7%), TT of rs4880 (36% vs. 13%) and null GSTM1 (49% vs. 15%) were found significantly (p<0.001) higher in patients with ALD than NASH suggesting their contribution in the development of ALD (Fig 4).