| Non-NPC patients | NPC patients |
---|---|---|
 | n = 198 (%) | n = 12 (%) |
Gram-negative bacilli (n = 50) | 49 (24.7) | 1 α (8.3) |
Streptococcus species (n = 43) |  |  |
  Viridans streptococci | 31 (15.7) | 4 (33.3) |
  Other Streptococci | 8 (4.0) | 0 |
Anaerobic pathogens (n = 38 ) | 37 (18.7) | 1 β (8.3) |
Staphylococcus species (n = 21) |  |  |
  Staphylococcus aureus | 9 (4.5) | 2 (16.7) |
  Other Staphylococcus species | 10 (5.1) | 0 |
Mixed bacterial pathogens (n = 19) | 18 (9.1) | 1 γ (8.3) |
Negative culture (n = 39) | 36 (18.2) | 3 (25) |