Table 4.
Macrolide resistance and genes among 19A pneumococcal isolates in carriage and IPD strains.
| Serotype | Susceptibility | erm(B) | mef(A/E) | erm(B) + mef(A/E) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | Resistant | p | N | Positive | p | Positive | p | Positive | p | |
| n (%) | n (%) | n (%) | n (%) | |||||||
| Carriage studies | < 0.001 | 0.002 | 0.163 | 0.012 | ||||||
| 19A | 30 | 24 (80.0) | 24 | 19 (79.2) | 11 (45.8) | 9 (37.5) | ||||
| Another serotype | 442 | 157 (35.5) | 156 | 71 (45.5) | 95 (60.9) | 25 (16.0) | ||||
| IPD studies | < 0.001 | 0.767 | < 0.001 | < 0.001 | ||||||
| 19A | 50 | 45 (90.0) | 45 | 40 (88.9) | 41 (91.1) | 38 (84.4) | ||||
| Another serotype | 186 | 64 (34.4) | 64 | 58 (90.6) | 28 (43.8) | 26 (40.6) | ||||
Statistical significance among carriage studies and among IPD studies.