TABLE 1.
Rates of beta-lactamase production sorted according to patient demographics (2002-2003)
| Criterion | Total no. (%) of isolates | % Positive |
|---|---|---|
| Gender | ||
| Male | 595 (60.3) | 24.7 |
| Female | 389 (39.4) | 28.0 |
| Unknown | 2 (0.3) | 100.0 |
| Age | ||
| 0-5 | 227 (23) | 31.7 |
| 6-20 | 107 (10.9) | 32.7 |
| 21-64 | 430 (43.6) | 22.3 |
| ≥65 | 221 (22.4) | 25.0 |
| Unknown | 1 (0.1) | 0.0 |
| Specimen source | ||
| Lower respiratory tract | 704 (71.4) | 24.1 |
| Upper respiratory tract | 47 (4.8) | 31.9 |
| Eye | 62 (6.2) | 24.1 |
| Ear | 62 (6.2) | 27.4 |
| Sinus | 58 (5.9) | 48.3 |
| Blood | 36 (3.7) | 22.2 |
| CSF/BFa | 6 (0.7) | 33.3 |
| Other | 11 (1.1) | 27.3 |
| Patient Status | ||
| Inpatient | 608 (61.7) | 25.0 |
| Outpatient | 365 (37) | 28.4 |
| Unknown | 13 (1.3) | 15.4 |
a
CSF/BF, cerebrospinal fluid and other normally sterile body fluids.