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Table 1

Demographic information and comorbidities between predialysis chronic kidney disease group and non-chronic kidney disease group.

Non-chronic kidney disease N=18807
Predialysis chronic kidney disease N=18807
Variable n (%) n (%) P value*
Sex 0.99
  Female 7655 (40.7) 7655 (40.7)
  Male 11152 (59.3) 11152 (59.3)
Age group (years) 0.99
  20-39 5367 (28.5) 5367 (28.5)
  40-64 6243 (33.2) 6243 (33.2)
  65-84 7197 (38.3) 7197 (38.3)
Age (years), mean (standard deviation) 58.2 (15.0) 58.5 (15.0) 0.05
Baseline comorbidities
Alcohol-related disease 885 (4.71) 885 (4.71) 0.99
  Cancer 749 (3.98) 749 (3.98) 0.99
  Cardiovascular disease 7604 (40.4) 7604 (40.4) 0.99
  Chronic liver disease 4188 (22.3) 4188 (22.3) 0.99
  Chronic obstructive pulmonary disease 2468 (13.1) 2468 (13.1) 0.99
  Hyperlipidemia 8322 (44.3) 8322 (44.3) 0.99
  Hypertension 11699 (62.2) 11699 (62.2) 0.99
  Diabetes mellitus 3836 (20.4) 3836 (20.4) 0.99

Data are presented as the number of subjects in each group, with percentages given in parentheses, or the mean with standard deviation given in parentheses.

*

Chi-square test, and

t-test comparing subjects with predialysis chronic kidney disease and without chronic kidney disease.