Table 3.
Summary of 11 published reports showing the five most prevalent pneumococcal serotypes isolated from pleural effusions
| No. of samples | Collection date (yr) | Serotype (% of total) by ranking: |
Sum (%) | Location of study | Reference | ||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |||||
| 10 | 1975–1978 | 1 (50) | 3 (37.5) | 7F (12.5) | Xa | X | 100 | Pennsylvania | 24 |
| 26 | 1993–1999 | 1 (50.0) | 14 (15.4) | 9V (15.4) | 19F (3.8) | 18C (3.8) | 88.5 | Utah | 6 |
| 133 | 1993–2000 | 14 (29.1) | 1 (24.4) | 19 (9.0) | 3 (8.4) | 6 (8.4) | 79.3 | U.S., multiple centers | 26 |
| 24 | 1996–2000 | 1 (45.8) | 14 (12.5) | 6B (8.3) | 19F (8.3) | 6A (4.2) | 79.2 | Utah | 7 |
| 27 | 1997–2001 | 1 (53.1) | 14 (15.6) | 3 (9.4) | X | X | 78.1b | UK | 10 |
| 11 | 1990–2002 | 1 (62.5) | 4 (25.0) | 5 (12.5) | X | X | 100.0 | Israel | 13 |
| 35 | 2000–2003 | 14 (26.3) | 3 (23.7) | 1 (21.1) | 6B (7.9) | 9V (5.3) | 84.2 | Canada | 17 |
| 30 | 2002–2004 | 19A (26.7) | 1 (23.3) | 14 (13.3) | 3 (10) | 23F (6.7) | 100 | France | 3 |
| 27 | 2003–2004 | 1 (66.7) | 4 (11.1) | 3 (7.4) | 7F (3.7) | 9V (3.7) | 92.6 | UK | 12 |
| 50 | 2001–2005 | 1 (34.0) | 3 (20.0) | 19A (14.0) | 19F (6.0) | 7 (4.0) | 78.0 | Utah | 7 |
| 51 | 2001–2007 | 1 (33.3) | 3 (27.5) | 19A (25.5) | 7F (3.9) | 17 (2.0) | 92.2 | Utah | 6 |
a
“X” indicates the absence of reported serotypes.
b
Three samples (11.9%) were negative for the 13 serotypes tested.