Table 4 MICs of nasal enterococci
|  | Nasal isolates (n = 29) | |||||||
|---|---|---|---|---|---|---|---|---|
|  | E. faecalis(n = 11) | E. faecium(n = 18) | ||||||
Antibiotic dilutions | TET (%) | CIP (%) | OXA(%) | VAN (%) | TET (%) | CIP (%) | OXA (%) | VAN (%) |
0.5 | ---------- | ---------- | ---------- | ---------- | ---------- | ---------- | ---------- | ---------- |
1 | †--------- | 1 (9.1) | ---------- | 5 (45.5) | †--------- | ---------- | ---------- | 11 (61.1) |
2 | 2 (18.2) | 1 (9.1) | †--------- | 3 (27.3) | 2 (11.1) | 2 (11.1) | †--------- | 6 (33.3) |
4 | 2 (18.2) | †--------- | ---------- | 1 (9.1) | 1 (5.6) | †2 (11.1) | 1 (5.6) | ---------- |
8 | 1 (9.1) | 3 (27.3) | 1 (9.1) | †--------- | 3 (16.7) | 2 (11.1) | 1 (5.6) | †--------- |
16 | ---------- | 1 (9.1) | 1 (9.1) | ---------- | 1 (5.6) | ---------- | 1 (5.6) | ---------- |
32 | ---------- | 2 (18.2) | 2 (18.2) | ---------- | ---------- | 3 (16.7) | 1 (5.6) | ---------- |
64 | ---------- | 1 (9.1) | 2 (18.2) | ---------- | 1 (5.6) | ---------- | 1 (5.6) | ---------- |
128 | 3 (27.3) | 1 (9.1) | 2 (18.2) | ---------- | 6 (33.3) | 3 (16.7) | 3 (16.7) | ---------- |
256 | 3 (27.3) | 1 (9.1) | 1 (9.1) | ---------- | 4 (22.2) | 4 (22.2) | 6 (33.3) | ---------- |
512 | ---------- | ---------- | 2 (18.2) | 2 (18.2) | ---------- | 2 (11.1) | 4 (22.2) | 1 (5.6) |
t -test | P < 0.05 | P = 0.076 | P < 0.05 | P = 0.195 | P < 0.05 | P < 0.05 | P < 0.05 | P = 454 |
|  | t = 3.182 | t = 1.981 | t = 2.772 | t = 1.389 | t = 4.488 | t = 3.499 | t = 5.239 | t = 0.766 |