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Table 3 Virulence factors among isolates and resistance to antimicrobials

From: Epidemiology, antibiotic consumption and molecular characterisation of Staphylococcus aureus infections – data from the Polish Neonatology Surveillance Network, 2009–2012

Virulence factor

All [N = 49]; (n, %)

MRSA [N = 16]; (n, %)

MSSA [N = 33]; (n, %)

hla

46 (93.9)

16 (100)

30 (90.9)

sea

8 (16.3)

1(6.3)

7 (21.2)

seb

0

0

0

sec

7 (14.3)

4 (25)

3 (9.1)

seg

32 (65.3)

15 (93.8)

17 (51.5)

seh

1 (2.0)

1 (6.3)

0

sei

32 (65.3)

15 (93.8)

17 (51.5)

sej

4 (8.2)

0

4 (12.1)

eta

7 (14.3)

4 (25)

3 (9.1)

etb

0

0

0

tsst

9 (18.4)

0

9 (27.3)

lukE

19 (38.8)

0

19 (57.6)

pvl

0

0

0

Resistance

All [N = 49]; (%)

MRSA [N = 16]; (%)

MSSA [N = 33]; (%)

E

16 (32.6)

10 (62.5)

6 (18.2)

DA

12 (24.5)

7 (43.7)

5 (15.1)

OFX

0

0

0

GN

3 (6.1)

2 (12.5)

1 (3.0)

TOB

6 (12.2)

2 (12.5)

4 (12.1)

AK

6 (12.2)

3 (18.7)

3 (9.1)

VA

0

0

0

TEC

0

0

0

  1. Legend: E-erythromycin, DA-clindamycin, OFX – ofloxacin, GN – gentamycin, TOB – tobramycin, AK – amikacin, VA – vancomycin, TEC – teicoplanin.
  2. hla (staphylococcal alpha haemolysin), sea, seb, sec, seg, seh, sei, sej (staphylococcal enterotoxins A, B, C, G, H, I, J), eta, etb (exfoliative toxins A and B), tsst (toxic shock syndrome toxin), lukE (LukDE leucocidin), pvl (Panton-Valentine leucocidin).