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Table 1 Comparison of baseline demographics and selected comorbidities between end-stage renal disease (ESRD) and non-ESRD populations

From: Risk of dementia in patients with end-stage renal disease under maintenance dialysis—a nationwide population-based study with consideration of competing risk of mortality

  Non-ESRD population ESRD population P value
Number of patients 927,142 99,158
Age, no. (%)
 Mean (SD) 32.24 (19.67) 61.55 (14.20) < 0.0001
 ≤ 18 years 242,459 (26.15) 264 (0.27) < 0.0001
 18–29 years 208,892 (22.53) 1937 (1.95)  
 30–39 years 168,804 (18.21) 4803 (4.84)  
 40–49 years 132,851 (14.33) 12,779 (12.89)  
 50–59 years 70,873 (7.64) 21,698 (21.88)  
 60–69 years 57,358 (6.19) 25,477 (25.69)  
 70–79 years 35,248 (3.80) 23,324 (23.52)  
  ≥ 80 years 10,657 (1.15) 8876 (8.95)  
Sex, no. of male (%) 475,274 (51.26) 49,275 (49.69) < 0.0001
Median (IQR) length of follow-up (years) 13.00 (0.00) 2.87 (4.22) < 0.0001
Comorbidities, no. (%)
 Diabetes mellitus 16,792 (1.81) 51,995 (52.44) < 0.0001
 Stroke 3143 (0.34) 10,658 (10.75) < 0.0001
 Anemia 3936 (0.42) 52,573 (53.02) < 0.0001
 Heart failure 2169 (0.23) 28,675 (28.92) < 0.0001
 Hypertension 35,026 (3.78) 77,084 (77.74) < 0.0001
 Hyperlipidemia 4299 (0.46) 26,841 (27.07) < 0.0001
 Coronary artery disease 4444 (0.48) 24,147 (24.35) < 0.0001
 Peripheral vascular disease 400 (0.04) 5113 (5.16) < 0.0001
 Malignancy 3904 (0.42) 8375 (8.45) < 0.0001
 Depression 517 (0.06) 3038 (3.06) < 0.0001
 Obstructive sleep apnea 65 (0.01) 265 (0.27) < 0.0001
 Insomnia 449 (0.05) 11,813 (11.91) < 0.0001
 Alcoholism 1144 (0.12) 1058 (1.07) < 0.0001
 Traumatic brain injury 7830 (0.84) 1504 (1.52) < 0.0001
 Parkinson’s disease 396 (0.04) 1189 (1.20) < 0.0001
 Myocardial infarction 769 (0.08) 4242 (4.28) < 0.0001
 Atrial fibrillation 943 (0.10) 3310 (3.34) < 0.0001
 Hyperthyroidism 459 (0.05) 796 (0.80) < 0.0001
 Hypothyroidism 107 (0.01) 1021 (1.03) < 0.0001
  1. SD standard deviation, IQR interquartile range