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Table 1 Cefoxitin resistance and presence of the mec A gene among CoNS nasal isolates obtained from neonates in the NICU at admission and discharge from July 2007 through May 2008

From: Molecular epidemiology of coagulase-negative Staphylococcus carriage in neonates admitted to an intensive care unit in Brazil

Variables

Coagulase-negative Staphylococcusisolates

 

Admission (N = 45)

Discharge (N = 244)

 

n

%

N

%

Cefoxitin

    

  Resistant

26

57.8

218

89.3

  Susceptible

19

42.2

26

10.7

mecA genotype

    

  Positive

27

60.0

204

83.6

  Negative

18

40.0

40

16.4

Multidrug resistancea

    

  Yes

1

2.2

73

29.9

  No

44

97.8

171

70.1

  1. aMultidrug resistance was considered as resistance to at least four classes of antibiotics.