Table 2.
Demographic characteristics of the study population (all patients admitted to a surveillance network hospital in metropolitan Philadelphia with pneumococcal bacteraemia, 2005–08), N = 1422*
| Characteristics | N | % |
|---|---|---|
| Gender, male | 731 | 51·4 |
| Age, years | ||
| < 18 | 114 | 8·0 |
| 18–39 | 157 | 11·0 |
| 40–69 | 704 | 49·5 |
| ⩾ 70 | 446 | 31·4 |
| Race | ||
| White | 824 | 57·9 |
| Black | 487 | 34·2 |
| Asian | 16 | 1·1 |
| Other† | 5 | <1 |
| Hispanic ethnicity | 73 | 5·1 |
| Ever smoked | 418 | 30·8 |
| History of asthma | 202 | 14·5 |
| History of pneumococcal vaccination | 610 | 45/0 |
| < 5 years old (n = 81) | 51 | 63·0 |
| ⩾ 65 years old (n = 521) | 308 | 59·0 |
*
Data obtained from telephone interview (76%) or medical chart abstraction (24%.)
†
Other = Pacific Islander, Native Hawaiian and Native American.