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Table 2 Overall and age- and sex-specific incidence rates of dementia 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

Characteristics Non-ESRD population ESRD population P value
No. of events Incidence rates (per 1000 patient-years) No. of events Incidence rates (per 1000 patient-years)  
Male
 Age (years)
  ≤ 18 years 158 0.10 (0.08–0.11) 0 0.00 (0.00–0.00)  
  18–29 years 286 0.23 (0.20–0.26) 3 0.47 (0.10–1.37)  
  30–39 years 313 0.30 (0.27–0.34) 14 0.96 (0.53–1.62)  
  40–49 years 458 0.56 (0.51–0.61) 65 2.00 (1.55–2.55)  
  50–59 years 776 1.86 (1.73–1.99) 174 3.92 (3.36–4.55)  
  60–69 years 2361 7.42 (7.12–7.72) 434 10.57 (9.60–11.61)  
  70–79 years 2870 17.35 (16.73–18.00) 671 23.70 (21.94–25.56)  
  ≥ 80 years 867 32.60 (30.47–34.85) 300 42.56 (37.88–47.65)  
 Total 8089 1.43 (1.40–1.46) 1661 9.49 (9.04–9.96) < 0.0001
Female
 Age (years)
  ≤ 18 years 108 0.07 (0.06–0.09) 0 0.00 (0.00–0.00)  
  18–29 years 108 0.09 (0.07–0.10) 3 0.61 (0.13–1.77)  
  30–39 years 141 0.14 (0.12–0.16) 11 0.83 (0.41–1.48)  
  40–49 years 374 0.45 (0.40–0.50) 54 1.53 (1.15–2.00)  
  50–59 years 829 1.88 (1.75–2.01) 183 4.12 (3.55–4.77)  
  60–69 years 2198 7.02 (6.73–7.32) 650 13.15 (12.16–14.20)  
  70–79 years 2756 19.18 (18.47–19.91) 978 28.52 (26.76–30.36)  
  ≥ 80 years 1042 32.35 (30.42–34.38) 384 44.15 (39.85–48.80)  
 Total 7556 1.37 (1.34–1.40) 2263 11.86 (11.37–12.36) < 0.0001
Overall IR 15,645 1.40 (1.38–1.42) 3924 10.73 (10.39–11.07) < 0.0001
  1. IR incidence rate