IPF and sarcoidosis patients showed differences in CRP (p = 0.01), Hb (p = 0.01), HCT (p = 0.02), WBC (p < 0.001), PLT (p = 0.02), creatinine (p = 0.02) and GPT (p = 0.03) values. This evidence concerns the gene GSTM1 and sarcoidosis.