Table 1. Characteristics of Staphylococcus epidermidis isolated from patients*†.
| Patient | Pretreatment‡ |
Posttreatment‡ |
1 year posttreatment‡ |
4 years posttreatment‡ |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Isolate | MIC | DNA | Isolate | MIC | DNA | Isolate | MIC | DNA | Isolate | MIC | DNA | |
| 1 | 1A:1 | 0.094 | A | 1B:1 | 0.094 | F | 1C:1 | >256 | H | 1D:1 | >256 | H |
| 1A:2 | 0.094 | B | 1B:2 | 0.094 | F | 1C:2 | >256 | H | 1D:2 | 0.094 | M | |
| 1A:3 | 0.125 | B | 1B:3 | 0.125 | G | 1C:3 | 32 | K | 1D:3 | 0.094 | M | |
| 1A:4 | 0.125 | B | 1B:4 | 0.094 | F | 1C:4 | >256 | H | 1D:4 | 0.094 | B | |
| 1A:5 | 0.125 | C | 1B:5 | >256 | H | 1C:5 | >256 | H | 1D:5 | >256 | H | |
| 1A:6 | 0.094 | B | 1B:6 | 0.094 | J | 1C:6 | >256 | H | 1D:6 | 0.094 | C | |
| 1A:7 | 0.094 | D | 1B:7 | 0.094 | F | 1C:7 | >256 | H | 1D:7 | 0.094 | M | |
| 1A:8 | 0.094 | D | 1B:8 | 0.125 | B | 1C:8 | >256 | L | 1D:8 | 0.094 | G | |
| 1A:9 | 0.125 | B | 1B:9 | >256 | H | 1C:9 | >256 | H | 1D:9 | >256 | H | |
| 1A:10 | 0.064 | E | 1B:10 | 0.094 | G | 1C:10 | >256 | H | 1D:10 | >256 | H | |
| 2 | 2A:1 | >256 | N | 2B:1 | >256 | S | 2C:1 | >256 | N | 2D:1 | 0.094 | P |
| 2A:2 | 0.125 | O | 2B:2 | >256 | N | 2C:2 | >256 | N | 2D:2 | 0.094 | T | |
| 2A:3 | 0.125 | O | 2B:3 | >256 | N | 2C:3 | >256 | N | 2D:3 | >256 | N | |
| 2A:4 | >256 | N | 2B:4 | >256 | S | 2C:4 | >256 | N | 2D:4 | >256 | N | |
| 2A:5 | 0.125 | O | 2B:5 | >256 | S | 2C:5 | >256 | N | 2D:5 | 0.125 | O | |
| 2A:6 | 0.094 | P | 2B:6 | >256 | N | 2C:6 | 0.094 | T | 2D:6 | 0.125 | P | |
| 2A:7 | 0.19 | Q | 2B:7 | 96 | S | 2C:7 | 0.125 | T | 2D:7 | 0.094 | T | |
| 2A:8 | 0.125 | R | 2B:8 | 0.094 | T | 2C:8 | >256 | N | 2D:8 | 0.125 | P | |
| 2A:9 | 0.094 | P | 2B:9 | >256 | N | 2C:9 | >256 | N | 2D:9 | >256 | N | |
| 2A:10 | 0.094 | P | 2B:10 | >256 | S | 2C:10 | >256 | N | 2D:10 | 0.094 | P | |
| 3 | 3A:1 | 0.125 | 3B:1 | 32 | 3C:1 | 0.125 | 3D:1 | 0.125 | ||||
| 3A:2 | 0.125 | 3B:2 | 32 | 3C:2 | >256 | 3D:2 | >256 | |||||
| 3A:3 | 0.125 | 3B:3 | 24 | 3C:3 | 0.25 | 3D:3 | 0.25 | |||||
| 3A:4 | 0.094 | 3B:4 | 16 | 3C:4 | >256 | 3D:4 | >256 | |||||
| 3A:5 | 0.125 | 3B:5 | 16 | 3C:5 | >256 | 3D:5 | >256 | |||||
| 3A:6 | 0.125 | 3B:6 | 24 | 3C:6 | 0.094 | 3D:6 | 0.094 | |||||
| 3A:7 | 0.125 | 3B:7 | 24 | 3C:7 | >256 | 3D:7 | >256 | |||||
| 3A:8 | 0.125 | 3B:8 | 24 | 3C:8 | >256 | 3D:8 | >256 | |||||
| 3A:9 | 0.125 | 3B:9 | 24 | 3C:9 | 0.125 | 3D:9 | 0.125 | |||||
| 3A:10 | 0.19 | 3B:10 | 16 | 3C:10 | 0.125 | 3D:10 | 0.125 | |||||
| 4 | 4A:1 | 0.125 | 4B:1 | 24 | 4C:1 | 0.125 | 4D:1 | 0.125 | ||||
| 4A:2 | 0.094 | 4B:2 | >256 | 4C:2 | 0.125 | 4D:2 | 0.125 | |||||
| 4A:3 | 0.125 | 4B:3 | 24 | 4C:3 | 0.125 | 4D:3 | 0.125 | |||||
| 4A:4 | 0.125 | 4B:4 | >256 | 4C:4 | 0.125 | 4D:4 | 0.125 | |||||
| 4A:5 | 0.125 | 4B:5 | 24 | 4C:5 | 0.125 | 4D:5 | 0.125 | |||||
| 4A:6 | 0.125 | 4B:6 | >256 | 4C:6 | 0.125 | 4D:6 | 0.125 | |||||
| 4A:7 | 0.125 | 4B:7 | 24 | 4C:7 | 0.094 | 4D:7 | 0.094 | |||||
| 4A:8 | 0.094 | 4B:8 | >256 | 4C:8 | 0.094 | 4D:8 | 0.125 | |||||
| 4A:9 | 0.094 | 4B:9 | 24 | 4C:9 | 0.125 | 4D:9 | 0.125 | |||||
| 4A:10 | 0.125 | 4B:10 | 24 | 4C:10 | 0.125 | 4D:10 | 0.094 | |||||
| 5 | 5A:1 | 0.125 | 5B:1 | >256 | 5C:1 | >256 | 5D:1 | 0.19 | ||||
| 5A:2 | 0.125 | 5B:2 | >256 | 5C:2 | >256 | 5D:2 | 0.125 | |||||
| 5A:3 | 0.125 | 5B:3 | >256 | 5C:3 | >256 | 5D:3 | 0.064 | |||||
| 5A:4 | 0.125 | 5B:4 | >256 | 5C:4 | >256 | 5D:4 | 0.094 | |||||
| 5A:5 | 0.125 | 5B:5 | >256 | 5C:5 | >256 | 5D:5 | 0.125 | |||||
| 5A:6 | 0.125 | 5B:6 | >256 | 5C:6 | 0.094 | 5D:6 | 0.125 | |||||
| 5A:7 | 0.094 | 5B:7 | >256 | 5C:7 | 0.125 | 5D:7 | 0.125 | |||||
| 5A:8 | 0.125 | 5B:8 | >256 | 5C:8 | >256 | 5D:8 | 0.094 | |||||
| 5A:9 | 0.125 | 5B:9 | >256 | 5C:9 | >256 | 5D:9 | 0.094 | |||||
| 5A:10 | 0.094 | 5B:10 | >256 | 5C:10 | >256 | 5D:10 | 0.094 | |||||
*Isolates from only 2 patients were DNA fingerprinted. †For each patient and time point, 10 independent isolations of S. epidermidis were performed. ‡Clarithromycin MIC measured by Etest. DNA fingerprinting by pulsed-field gel electrophoresis; different patterns are indicated as letters.