Ann Clin Microbiol 2025;28(4):23. Prevalence and molecular characteristics of β-lactam resistance in non-typeable Haemophilus influenzae isolates in Korea

Table 2. Amoxicillin–clavulanate susceptibility of ampicillin-resistant Haemophilus influenzae isolates
Amoxicillin–clavulanateNumber of ampicillin-resistant isolates (%)
β-lactamase producer (n = 71)β-lactamase non-producer (n = 7)Total (n = 78)
Resistant15 (93.8)1 (6.2)16 (100.0)
Intermediate19 (79.2)5 (20.8)24 (100.0)
Susceptible37 (97.4)1 (2.6)38 (100.0)

Values are presented as n (%).