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Table 2 Antimicrobial resistance and molecular characteristics of MRSA isolates belonging to the COL923 clone

From: Emergence and spread of a new community-genotype methicillin-resistant Staphylococcus aureus clone in Colombia

Characteristics of isolates

All isolates (n = 32)

Infection (n = 19)

Colonization (n = 13)

n (%)

n (%)

n (%)

Antimicrobial resistancea

 ERY

30 (93.8)

17 (89.5)

13 (100.0)

 TET

21 (65.6)

11 (57.9)

10 (76.9)

 CIP

12 (37.5)

10 (52.6)

2 (15.4)

Multiple antibiotics resistance profiles

 OXA-ERY-TET

13 (40.6)

4 (21.1)

9 (69.2)

 OXA-ERY-TET-CIP

8 (25.0)

7 (36.8)

1 (7.7)

 OXA-ERY

7 (21.9)

5 (26.3)

2 (15.4)

 OXA-CIP

2 (6.3)

2 (10.5)

0 (0.0)

 OXA-ERY-CIP

2 (6.3)

1 (5.3)

1 (7.7)

 Only OXAb

0 (0.0)

0 (0.0)

0 (0.0)

Main PFGE pulsotypec

 N1

9 (28.1)

8 (42.1)

1 (7.7)

 N2

7 (21.9)

1 (5.3)

6 (46.2)

 N3

5 (15.6)

2 (10.5)

3 (23.1)

 N5

2 (6.3)

2 (10.5)

0 (0.0)

 N6

2 (6.3)

1 (5.3)

1 (7.7)

  1. a OXA oxacillin, TET tetracycline, ERY erythromycin, GEN gentamicin, CIP ciprofloxacin, CLI clindamycin
  2. bSusceptibility to non-B-lactam antibiotics
  3. cN4 pulsotype was assigned to isolates recovered from Bogota (Fig. 1)