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. 2013 Mar 27;13:156. doi: 10.1186/1471-2334-13-156

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

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