IL6 and acute respiratory distress syndrome: We observed trends toward increased ARDS risk for homozygous carriers of rs6721961 in NFE2L2 (ORadj 3.83; 95% confidence interval [CI], 0.93–15.7), and rs2069832 in IL6 (ORadj 1.91; 95% confidence interval [CI], 0.96–3.40) (Table 5).