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Table 2 The prevalence of HBs antigen-positive patients sorted by their age, at the end of 2018

From: 2018 annual dialysis data report of the JSDT Renal Data Registry: patients with hepatitis

Age (years old) HBs antigen-negative HBs antigen-positive Subtotal Unspecified No data available Total HBs antigen positivity prevalence (%)
< 15 47 0 47 11 30 88 0.00
15 ≤, < 30 656 1 657 27 161 845 0.15
30 ≤, < 45 9976 61 10,037 347 1761 12,145 0.61
45 ≤, < 60 47,936 639 48,575 1768 8353 58,696 1.32
60 ≤, < 75 113,627 1975 115,602 3984 20,249 139,835 1.71
75 ≤, < 90 87,944 1003 88,947 3188 16,093 108,228 1.13
90 ≤ 5990 43 6033 251 1215 7499 0.71
Subtotal 266,176 3722 269,898 9576 47,862 327,336 1.38
Unspecified 0 0 0 0 0 0  
No data available 0 0 0 0 0 0  
Total 266,176 3722 269,898 9576 47,862 327,336 1.38
Mean 69 68 69 69 69 69  
S.D.a 12 11 12 13 13 13  
  1. The data were obtained from the patient survey
  2. aStandard deviation
  3. HBs hepatitis B surface