Table 5 MICs of perirectal enterococci
|  | Perirectal isolates (n = 56) | |||||||
|---|---|---|---|---|---|---|---|---|
|  | E. faecalis(n = 29) | E. faecium(n = 27) | ||||||
Antibiotic dilutions | TET (%) | CIP (%) | OXA(%) | VAN (%) | TET (%) | CIP (%) | OXA(%) | VAN (%) |
0.5 | 5 (17.2) | ---------- | ---------- | ---------- | 3 (11.1) | ---------- | ---------- | ---------- |
1 | †--------- | ---------- | ---------- | 12 (41.4) | †1 (3.7) | ---------- | ---------- | 12 (44.4) |
2 | ---------- | 1 (3.4) | †--------- | 12 (41.4) | ---------- | ---------- | †--------- | 10 (37) |
4 | ---------- | †4 (13.8) | ---------- | 2 (6.9) | 5 (18.5) | †2 (7.4) | ---------- | 2 (7.4) |
8 | ---------- | 5 (17.2) | 1 (3.4) | †-------- | ---------- | 5 (18.5) | 1 (3.7) | †-------- |
16 | ---------- | 2 (6.9) | 7 (24.1) | --------- | 3 (11.1) | 2 (7.4) | 1 (3.7) | ---------- |
32 | ---------- | 7(24.1) | 8 (27.6) | --------- | 2 (7.4) | 3 (11.1) | 4 (14.8) | ---------- |
64 | 2 (6.9) | ---------- | 2 (6.9) | 1 (3.4) | 2 (7.4) | 4 (14.8) | 2 (7.4) | ---------- |
128 | 10 (34.5) | 3 (10.3) | 2 (6.9) | --------- | 3 (11.1) | 2 (7.4) | 3 (11.1) | ---------- |
256 | 12 (41.4) | 5 (17.9) | 3 (10.3) | --------- | 8 (29.6) | 5 (18.5) | 3 (11.1) | ---------- |
512 | ---------- | 2 (6.9) | 6 (20.7) | 2 (6.9) | ---------- | 4 (14.8) | 13 (48.1) | 3 (11.1) |
t -test | P < 0.05 | P < 0.05 | P < 0.05 | P = 0.214 | P < 0.05 | P < 0.05 | P < 0.05 | P = 0.121 |
|  | t = 8.611 | t = 3.666 | t = 4.273 | t = 1.271 | t = 4.659 | t = 4.204 | t = 7.070 | t = 1.601 |