ko pathway ratio_in_study ratio_in_pop p_value ko00740 Riboflavin metabolism 1/3 8/7206 0.00332732297151 ko00520 Amino sugar and nucleotide sugar metabolism 1/3 55/7206 0.0227263934839 ko05323 Rheumatoid arthritis 1/3 89/7206 0.036601728957