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Table 3 Mean reporting time intervals from symptom onset and from diagnosis until notification (Po and Pd) for infectious disease notifications per year for shigellosis and hepatitis A virus infection

From: Analysis of timeliness of infectious disease reporting in the Netherlands

  Shigellosis Hepatitis A virus infection
  Po (days ) 95% CI n Pd (days) 95% CI n Po (days) 95% CI n Pd (days) 95% CI n
2003 21.2 18.2-24.1 189 4.4 3.6-5.2 189 12.5 11.1-13.8 249 2.7 2.1-3.3 258
2004 21.7 18.9-24.6 336 4.5 3.8-5.1 339 14.5 12.3-16.6 420 3.8 2.4-5.1 439
2005 20.0 17.9-22.1 388 4.0 3.4-4.7 388 15.2 12.2-18.2 202 3.0 1.5-4.6 212
2006 22.2 19.0-25.4 238 3.8 3.1-4.5 239 15.1 13.2-16.9 261 2.4 1.5-3.3 277
2007 19.9 18.1-21.6 382 4.1 3.4-4.8 383 13.2 11.1-15.3 153 1.7 1.0-2.4 157
2008 21.3 18.3-24.3 372 2.9 2.5-3.2 372* 14.1 11.3-16.9 168 1.7 1.3-2.2 174
  1. Po = period from symptom onset until notification
  2. Pd = period from laboratory diagnosis until notification
  3. * p < 0.05 for 2008 versus 2003 and 2004
  4. n = number of notifications