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Table 2 Epidemiology of HUS in children in Norway between 1999 and 2008

From: Incidence and etiology of hemolytic-uremic syndrome in children in Norway, 1999–2008 – a retrospective study of hospital records to assess the sensitivity of surveillance

Type of HUS STEC-HUS Probable STEC-HUS Total D+HUS D-HUS All HUS
Measure Cases (N) Cases (N) N % IR N % N % IR
Age
0-4 y 19 11 30 79 1.0 8 89 38 81 1.3
0 y 2 1 3 8 0.5 2 22 5 11 0.9
1 y 7 5 12 32 2.1 4 44 16 34 2.7
2 y 5 3 8 21 1.4 0 0 8 17 1.4
3 y 0 2 2 5 0.3 0 0 2 4 0.3
4 y 5 0 5 13 0.8 2 22 7 15 1.2
5-9 y 3 3 6 16 0.2 1 11 7 15 0.2
10-15 y 1 1 2 5 <0.1 0 0 2 4 <0.1
Total 23 15 38 100 0.4 9 100 47 100 0.5
  1. Age-specific distribution (in number), proportion (in percentage) and incidence rate (IR; in average annual incidence rate in cases per 100,000 children) for diarrhea-associated (D+HUS), with and without laboratory identified STEC infection (probable STEC-HUS) and the two combined, non-diarrhea-associated (DHUS) and all of the cases of hemolytic-uremic syndrome (all HUS) in children in Norway, 1999–2008 (N = 47).