|
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
|
-
† Breakpoint concentration, TET: Tetracycline, CIP: Ciprofloxacin, OXA: Oxacillin, VAN: Vancomycin.