INS and diabetes mellitus: The baseline demographics are low dose versus high dose versus registry: Mean age: 36 ± 5 years/52 ± 12 years/57 ± 15, Hypertension: 5/15/38, Diabetes-non-insulin: 1/10/29, Hyperlipidemia: 2/5/22, Prior smoker: 2/9/35, IIEF-5: 8/9/9.