Table 1 Total population according to different study analysis steps
STUDY POPULATION | YEARS | TOTAL | PERCENTAGE |
|---|---|---|---|
Tympanocentesis performed | 1992–2007 | 1919 | |
Bacterial pathogens isolated | 1992–2007 | 1208/1919 | 62.9% |
S. pneumonia positive cultures | 1992–2007 | 511/1208 | 42.3% |
S. pneumonia serotyping | 1999–2006 | 346/511 | 68.0% |