Patients with preoperative hypogonadism presented higher median baseline values of GH and IGF-1 (GH: 3.37 ng/mL; IGF-1: 551 ng/mL) compared to those without hypogonadism (GH: 1.36 ng/mL; IGF-1: 355 ng/mL). The gene discussed is GH1; the disease is hypogonadism.