Table 2. Distribution of Ceftriaxone Minimum Inhibitory Concentrations (MICs) Among Neisseria gonorrhoeae Isolates, Gonococcal Isolate Surveillance Project (GISP), 2014–2018

Minimum Inhibitory Concentrations (µg/ml)

Year 

≤0.008

n (%)

0.015

n (%)

0.030

n (%)

0.060

n (%)

0.125

n (%)

0.250

n (%)

0.500

n (%)

Total

n

2014

3650

(71.7)

839

(16.5)

437

(8.6)

160

(3.1)

5

(0.1)

2

(0.0)

0

(0.0)

5093

2015

3694

(71.8)

901

(17.5)

373

(7.2)

165

(3.2)

13

(0.2)

1

(0.0)

0

(0.0)

5147

2016

3619

(68.9)

1036

(19.7)

419

(8.0)

168

(3.2)

14

(0.3)

0

(0.0)

0

(0.0)

5256

2017

3553

(70.2)

976

(19.3)

417

(8.2)

105

(2.1)

7

(0.1)

3

(0.1)

0

(0.0)

5061

 2018

3477

(67.4)

1141

(22.1)

447

(8.7)

86

(1.7)

8

(0.2)

1

(0.0)

0

(0.0)

5160

 

Note: Percentages represent row percentages.