INS and Hypoglycemia: In the unadjusted multinominal logistic regression model, the RRR for hypoglycaemia was 7.90 (95% Cl 2.92–21.38) with bolus-only insulin, 65.87 (95% Cl 26.05–166.57) with basal-bolus insulin, and 42.83 (95% Cl 14.83–112.21) with premixed insulin.