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Table 1 Comparison of disc diffusion tests on pneumococcal isolates performed in Bukavu and in Gothenburg, respectively (n = 32)

From: High rate of antibiotic resistance among pneumococci carried by healthy children in the eastern part of the Democratic Republic of the Congo

 

Oxacillina N (%)

TMP-SMXb N (%)

Erythromycin N (%)

Clindamycin N (%)

Norfloxacinc N (%)

Tetracycline N (%)

Difference in disc diffusion test (mm)

  ≤ 3

23 (73)

29 (91)

22 (69)

23 (73)

25 (79)

14 (44)

 4–6

5 (15)

1 (3)

3 (11)

3 (11)

5 (15)

10 (31)

 > 6

4 (12)

2 (6)

7 (32)

6 (18)

2 (6)

8 (25)

Difference in SIRd interpretatione

0

0

0

0

0

0

  1. a Screening disc for beta-lactam resistance
  2. bTMP-SMX Trimethoprim-sulphamethoxazole
  3. c Screening disc for fluoroquionolone resistance, i.e. levofloxacin and moxifloxacin
  4. dSIR Sensitive, Intermediate, Resistant
  5. e Breakpoints used according to EUCAST 2017