ko pathway ratio_in_study ratio_in_pop p_value ko04977 Vitamin digestion and absorption 1/3 22/7206 0.00913236353124 ko00330 Arginine and proline metabolism 1/3 61/7206 0.0251845987509 ko01230 Biosynthesis of amino acids 1/3 85/7206 0.0349761978874