INS and diabetes mellitus: Negative binomial regression identified independent predictors for longer hospital stays (Table 3) including patients age 80-89 years, males, American Indian / Alaska Native patients or unknown/unreported race, partially dependent status, insulin-requiring diabetes, patients with 2 direct or 1 indirect complication, and those with CKD stage G3b were all associated with significantly higher rates of prolonged hospital stay compared to their reference categories.