Patients with PSP had been more often treated with thrombolysis (22 vs. 13.9 %, p < 0.001), continuous intravenous insulin treatment (4.2 vs 0.8 %, p < 0.001), insulin injections or with intravenous antihypertensive agents (12.2 vs 3.8 %, p < 0.001). This evidence concerns the gene INS and supranuclear palsy, progressive, 1.