INS and Hypoglycemia: The questionnaire had two parts, the first part is the hypoglycemia hospital use score (six components) which asks about total number of prior hypoglycemia-related healthcare use episodes (three choices, zero, 1–2, and > 2), number of emergency-department encounters for any reason in the prior 12 months (two choices, < 2, ≥ 2 times), insulin use (yes/no),sulfonylurea use (yes/no), presence of severe or end-stage kidney disease (yes/no), age younger than 77 years (yes/no).