Number of clinical specimens with isolation of C. kroppenstedtii
| Number of specimens | Number of C. kroppenstedtii isolated (% of positive) | P values | ||
| Standard culture methods* | With C. kroppenstedtii selective medium | |||
| Respiratory specimens | 8896 | 0 (0) | 127 (1.4) | <0.001 |
| Nasal swabs | 346 | 0 (0) | 6 (1.7) | 0.041 |
| Throat swabs | 585 | 0 (0) | 6 (1.0) | 0.041 |
| Oral swabs | 59 | 0 (0) | 1 (1.7) | 1 |
| Sputum | 6079 | 0 (0) | 113 (1.9) | <0.001 |
| Bronchoalveolar lavage/bronchial aspirates | 802 | 0 (0) | 1 (0.1) | 1 |
| Others† | 1024 | 0 (0) | 0 (0) | NA |
| Miscellaneous specimens | 12 634 | 2 (0.02) | 59 (0.5) | <0.001 |
| High vaginal swabs/endocervical swabs | 1903 | 0 (0) | 27 (1.4) | <0.001 |
| Surface swabs from newborn≤14 days | 617 | 0 (0) | 11 (1.8) | 0.003 |
| Tenckhoff catheter exit sites or percutaneous endoscopic gastrostomy sites | 110 | 0 (0) | 7 (6.4) | 0.023 |
| Breast-related specimens | 103 | 0 (0) | 3 (2.9) | 0.248 |
| Wound-related specimens | 2614 | 2 (0.08) | 8 (0.3) | 0.013 |
| Pus swab | 618 | 0 (0) | 1 (0.2) | 1 |
| Surface swabs other than newborn surface swabs, for example, ear, eye, skin, axilla | 698 | 0 (0) | 2 (0.3) | 0.480 |
| Others‡ | 5971 | 0 (0) | 0 (0) | NA |