DHEAS significantly correlated with TT (r = 0.416, p < 0.0001) and FAI (r = 0.386, p < 0.0001) in all PCOS cases (Table 3) as well as in the non-obese and obese PCOS groups (Table 3 and Figure S1). The gene discussed is SULT2A1; the disease is polycystic ovary syndrome.