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Table 1 Population estimates of cases and non-cases of Cryptosporidium-infection in Skellefteå between December 2010 and May 2011

From: Early outbreak detection by linking health advice line calls to water distribution areas retrospectively demonstrated in a large waterborne outbreak of cryptosporidiosis in Sweden

Status

N

SE (N)

95% CI (N)

N (%)

Non-cases

51,618

1214

49,239 – 53,997

73.7

Cases

18,448

1191

16,114 – 20,782

26.3

  1. N Number, SE standard error, CI confidence interval
  2. Based on postal questionnaire