Table 3 Biofilm formation ability of MRSA and MSSA regarding to different genotypes
Genotype | Isolates (n) | WBF (n, %) | MBF (n, %) | SBF (n, %) | OD value (Median) |
|---|---|---|---|---|---|
MRSA | 60 | 1 (1.67) | 9 (15.0) | 50 (83.3) | 0.68 |
 MLST type | |||||
  ST59 | 46 | 0 | 6 (13.0) | 40 (87.0) | 0.72 |
  Others | 14 | 1 (7.1) | 3 (21.4) | 10 (71.4) | 0.59 |
 SCCmec type | |||||
  IV | 51 | 0 | 7 (13.7) | 44 (86.3) | 0.69 |
  V | 6 | 0 | 1 (16.7) | 5 (83.3) | 0.59 |
  NT* | 3 | 1 (33.3) | 1 (33.3) | 1 (33.3) | 0.22 |
  spa type | |||||
  t437 | 39 | 0 | 6 (15.4) | 33 (84.6) | 0.67 |
  Others | 21 | 1 (4.8) | 3 (14.3) | 17 (80.9) | 0.70 |
 Combined genotype | |||||
  ST59-SCCmecIV-t437 | 37 | 0 | 6 (16.2) | 31 (83.8) | 0.67 |
  Others | 23 | 1 (4.4) | 3 (13.0) | 19 (82.6) | 0.70 |
MSSA | 44 | 2 (4.5) | 18 (40.9) | 24 (54.5) | 0.42 |
 MLST type | |||||
  5 | 5 | 0 | 1 (20.0) | 4 (80.0) | 0.65 |
  6 | 4 | 0 | 2 (50.0) | 2 (50.0) | 0.36 |
  7 | 4 | 0 | 1 (25.0) | 3 (75.0) | 0.84 |
  22 | 9 | 0 | 4 (44.4) | 5 (55.6) | 0.42 |
  25 | 4 | 1 (25.0) | 2 (50.0) | 1 (25.0) | 0.26 |
  188 | 4 | 0 | 0 | 4 (100.0) | 1.14 |
  398 | 5 | 0 | 5 (100.0) | 0 | 0.34 |
  Others | 9 | 1 (11.1) | 3 (33.3) | 5 (55.6) | 0.49 |
  spa type | |||||
  t002 | 4 | 0 | 1 (25.0) | 3 (75.0) | 0.60 |
  t189 | 4 | 0 | 0 | 4 (100.0) | 1.1 |
  t309 | 9 | 0 | 5 | 4 | 0.36 |
  t701 | 4 | 0 | 2 (50.0) | 2 (50.0) | 0.36 |
  Others | 23 | 2 | 10 | 11 | 0.40 |
 Combined genotype | |||||
  ST5-t002 | 4 | 0 | 1 (25.0) | 3 (75.0) | 0.60 |
  ST6-t701 | 4 | 0 | 2 (50.0) | 2 (50.0) | 0.36 |
  ST22-t309 | 8 | 0 | 4 (50.0) | 4 (50.0) | 0.37 |
  ST188-t189 | 4 | 0 | 0 | 4 (100.0) | 1.1 |
  Others | 24 | 2 (8.7) | 11 (45.8) | 11 (45.8) | 0.38 |