Krenn classification | n | Positive culture | Negative culture |
I | 4% (2) | 50% (1) | 50% (1) |
II | 69% (36) | 69% (25) | 31% (11) |
III | 13% (7) | 57% (4) | 43% (3) |
IV | 10% (5) | 20% (1) | 80% (4) |