TABLE 3.
Changes in resistance among H. influenzae strains from meningitis patients, by year, as identified by PCR
| Resistance class | No. (%) of strains in the following yr:
|
||||
|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | Total | |
| BLNAS | 14 (34.1) | 24 (34.8) | 45 (33.3) | 31 (21.3) | 115 (29.1) |
| BLPAR | 13 (31.7) | 14 (20.3) | 17 (12.6) | 17 (11.3) | 61 (15.4) |
| Low-BLNAR | 12 (29.2) | 24 (34.8) | 40 (29.6) | 45 (30.0) | 121 (30.6) |
| BLNAR | 0 (0.0) | 4 (5.8) | 19 (14.1) | 32 (21.3) | 55 (13.9) |
| BLPACR I | 1 (2.4) | 3 (4.3) | 12 (8.9) | 19 (13.3) | 36 (9.1) |
| BLPACR II | 1 (2.4) | 0 (0.0) | 2 (1.5) | 4 (2.7) | 7 (1.8) |
| Total | 41 | 69 | 135 | 150 | 395 (100.0) |