Table 3 Activity of antibacterial agents against 557 isolates of H. influenzae collected from Japanese children (aged < 16 years) with community-acquired respiratory tract infections (combined data for all four 1-week study periods).

Mode

MIC ₅₀

MIC ₉₀

Range

Susceptibility breakpoint

% susceptibility

2

2

4

≤0.06–8

≤4

99.3

8

8

8

0.5–16

NA

NA

2

2

2

≤0.06–4

≤4

100.0

0.5

0.5

8

≤0.06–32

≤1

63.9

0.5

0.5

8

≤0.06–>128

≤1

59.8

0.5

1

8

≤0.06–32

≤4

81.7