INS and diabetes mellitus: Log-binomial regression was used to test for differences in NHS and results are reported as risk ratios (RR) with 95% CIs.<h4>Results</h4>Both insulin-treated subgroups had a higher risk of a short-term NHS ("insulin only" users RR 1.06 (CI 1.03-1.09) and "insulin and non-insulin GLD" users RR 1.04 (CI 1.02-1.06)) compared to those without diabetes.