Table 4 and Figure 3 compare the insulin–glucose homeostasis parameters in the patients with hidradenitis suppurativa (HS) with lower (≤ 209.8 mg/dL, n = 51) and higher (> 209.8 mg/dL, n = 44) haptoglobin concentrations. The gene discussed is INS; the disease is hidradenitis suppurativa.