Table 3 Minimum and maximum weekly incidence of respiratory infections as a proportion of internal medicine admissions and intensive care unit (ICU) admissions, respectively, according to case definition (CD), hospital-based surveillance of acute respiratory infections, Berlin, 2009/10
Case definition | Maximum | Week | Minimum | Week |
|---|---|---|---|---|
CD1 among internal medicine admissions | 8.3% | 50/2009 | 2.0% | 27/2010 |
CD1b among internal medicine admissions | 5.6% | 41/2010 | 1.4% | 29/2010 |
CD4 among internal medicine admissions | 3.2% | 50/2009 | 0.2% | 25/2010 |
CD1 cases among ICU-admissions | 10.0% | 51/2009 | 0% | repeatedly |