Table 2.
Distribution of pulsed-field gel electrophoresis (PFGE) groups including coagulase-negative staphylococci isolates deriving from at least two patients
| Sampling | |||
| PFGE group* | Pt. | Day(s) | Site(s) |
| A (1) | 6 | 1, 3, 6, 9 | Oropharynx, stomach, subglottis, trachea |
| (1) | 20 | 3, 6, 9 | Oropharynx, stomach, subglottis, trachea |
| (2) | 20 | 3 | Trachea |
| B (1) | 8 | 12, 18, 28 | Oropharynx, stomach |
| (1) | 10 | 3, 6, 9 | Oropharynx, stomach, subglottis, trachea |
| (1) | 11 | 3 | Oropharynx, stomach |
| (1) | 15 | 1, 23 | Oropharynx, trachea |
| (2) | 15 | 23 | Subglottis |
| (3) | 8 | 18 | Stomach |
| C (1) | 1 | 1, 3, 6 | Oropharynx, stomach, trachea |
| (1) | 3 | 1, 6 | Oropharynx, stomach, trachea |
| D (1) | 16 | 1, 3 | Oropharynx, stomach |
| (1) | 17 | 3, 6, 9 | Oropharynx, stomach, subglottis, trachea |
| (2) | 17 | 12 | Oropharynx |
| E (1) | 8 | 3, 6, 9, 12 | Oropharynx, stomach, trachea |
| (1) | 16 | 1, 3 | Oropharynx, stomach, trachea |
| (1) | 17 | 1, 3 | Oropharynx |
| (1) | 23 | 1, 3 | Oropharynx, stomach, subglottis, trachea |
| (2) | 21 | 1, 15 | Oropharynx, stomach, trachea |
| (3) | 24 | 3 | Trachea |
| F (1) | 5 | 1, 3 | Oropharynx, stomach, subglottis |
| (2) | 15 | 6, 9 | Trachea |
| G (1) | 16 | 3 | Trachea |
| (2) | 23 | 1, 3 | Oropharynx, stomach, trachea |
| H (1) | 6 | 3, 12 | Oropharynx, stomach, trachea |
| (2) | 24 | 6, 9 | Trachea |
Sampling was made from the oropharynx, the stomach, the subglottis and the trachea. Sampling day 1 is equivalent to the day of intubation of the particular patient. *Genotype. Pt., patient.