BRD2 and polycystic ovary syndrome: However, when we compared the luteinising hormone/ follicle-stimulating hormone (LH/FSH) ratio (cut-off > 2), we found that it was higher among the PCOS group (n = 37, 23.3%) than in the control group (n = 9, 16.7%), but this difference was not statistically significant (p-value = 0.308) (Table 1).