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Table 4 Overall concordance (%) of susceptibility category agreement for all EQA distributions and methods 2007–2011 and 2012–2015 (no EQA in 2013)

From: Ten years of external quality assessment (EQA) of Neisseria gonorrhoeae antimicrobial susceptibility testing in Europe elucidate high reliability of data

 

2007–2011

2012–2015 (no EQA in 2013)a

 

All methods (n = 131)b

Etest (n = 72)c

Agar dilution (n = 26)

All methods (n = 66)b

Etest (n = 52)c

Agar dilution (n = 11)

Azithromycin

88

85

97

83

80

92

Cefiximed

95

93

99

91

91

91

Ceftriaxone

98

97

98

96

97

96

Ciprofloxacin

95

96

97

96

96

96

Spectinomycin

99

99

99

99

99

100

  1. a2016 results not included as only two laboratories performed agar dilution in 2016 so concordance was not calculated
  2. bIncludes disk diffusion results
  3. cSome countries have also used other MIC gradient strip tests
  4. dNot tested prior to 2010