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Table 5 MICs of perirectal enterococci

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

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