1Department of Internal Medicine, Eulji University Hospital, Eulji University College of Medicine, Seoul, Korea.
2Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
3Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
Copyright © 2011 Korean Diabetes Association
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Data are presented as either mean±standard deviation, median (IQR), or number (%). N is the total number of subjects with available data in each age group. Significance at P<0.05 according to ANOVA for duration of diabetes, HbA1c, and creatinine level. Significance at P<0.05 according to chi-square test for stages 3-5 CKD, insulin user, and low C-peptide level.
CKD, chronic kidney disease.
Data are presented in either mean±standard deviation, median (IQR), or number (%). N is the number of total subjects with available data in each year. Significant at P<0.05 according to P for trend (linear by linear association) with regard to age, duration of diabetes, HbA1c, and creatinine level. Significance at P<0.05 according to chi-square test for linear trend in insulin user and low C-peptide level.