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Table 4 MICs of nasal enterococci

From: Nasal and perirectal colonization of vancomycin sensitive and resistant enterococci in patients of paediatrics ICU (PICU) of tertiary health care facilities

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