The second case, on the other hand, was predicted with certainty to be RA (probability of 0.998) with the following rules: 9.34 < IL32, SGCA ≤ 6.76, MXRA7 ≤ 12.00, 12.10 < CLU ≤ 12.50, 6.77 < GZMB ≤ 7.58, POP7 ≤ 8.62 (Figure 4b). The gene discussed is IL32; the disease is rheumatoid arthritis.