TABLE 4.

Common pathogens identified at screening in patients with at least one typical or atypical pathogena

Patient groupNo. (%) of patients in amoxicillin-clavulanate treatment group:
2,000/125 mg875/125 mg
Patients with at least one typical or atypical pathogen148155
Patients with at least one typical pathogen isolated from cultures8773
    S. pneumoniae31 (35.6)27 (37.0)
    H. influenzae20 (23.0)13 (17.8)
    Methicillin-susceptible Staphylococcus aureus16 (18.4)18 (24.7)
    M. catarrhalis4 (4.6)3 (4.1)
    Seropositive for atypical pathogens29 (33.3)21 (28.8)
Patients with at least one atypical pathogen by serologic testing90103
    M. pneumoniae69 (76.7)85 (82.5)
    C. pneumoniae23 (25.6)22 (21.4)
    L. pneumophila2 (2.2)1 (1.0)
    C. psittaci3 (3.3)1 (1.0)
  • a Typical pathogens were isolated from sputum or respiratory sample or blood culture. Atypical pathogens were identified by serologic testing.