Table 2.
Comparison of resistance to methicillin, macrolides, lincosamides, and streptogramins with biofilm determination using different methods within the analyzed group of Staphylococcus epidermidis strains obtained from pediatric patients.
| Resistance Mechanisms | Biofilm Formation | ||||||
|---|---|---|---|---|---|---|---|
| Christensen Method N (%) |
Freeman Method N (%) |
icaADB Gene Cluster N (%) |
|||||
| Strong | Moderate | Weak | Black | Red | Presence | Absence | |
| MRSE | 22 (79%) | 1 (3%) | 5 (18%) | 22 (79%) | 6 (21%) | 22 (79%) | 6 (21%) |
| MRSE + MLSB | 48 (91%) | 2 (4%) | 3 (5%) | 48 (91%) | 5 (9%) | 48 (91%) | 5 (9%) |
| MRSE + MSB | 7 (88%) | 0 | 1 (12%) | 6 (75%) | 2 (25%) | 6 (75%) | 2 (25%) |
| MLSB | 1 (100%) | 0 | 0 | 1 (100%) | 0 | 1 (100%) | 0 |
| MSB | 4 (100%) | 0 | 0 | 4 (100%) | 0 | 4 (100%) | 0 |
| None | 4 (67%) | 0 | 2 (33%) | 4 (67%) | 2 (33%) | 4 (67%) | 2 (33%) |
| Total | 86 (86%) | 3 (3%) | 11 (11%) | 85 (85%) | 15 (15%) | 85 (85%) | 15 (15%) |
MRSE—methicillin-resistant Staphylococcus epidermidis; MLSB-macrolides, lincosamides, and streptogramins B; MSB-macrolides and streptogramins B; N-overall frequency; %-percentage.