title: The importance of classifying initial co-morbidity in evaluating the outcome of diabetes mellitus.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D048909:Diabetes Complications; D003920:Diabetes Mellitus / Q000401:mortality*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011379:Prognosis; D013223:Statistics as Topic; D014652:Vascular Diseases / Q000150:complications