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Table 1 Epidemiology of Staphylococcus aureus bacteriaemias

From: Utility and limitations of Spa-typing in understanding the epidemiology of staphylococcus aureus bacteraemia isolates in a single University Hospital

Healthcare associated (HCA) vs non HCA

HCA

Not HCA

Total

65% (n=53)

35% (n=29)

100% (n=82)

Age (mean)

55 (3–90)

51 (16–90)

54 (3–90)

% Male–female

M 64% - F 36%

M 76% - F 24%

M 68% - F 32%

MSSA vs MRSA

83% (44) -17% (9)

86% (25) -14% (4)

84% (69) -16% (13)

30days mortality

21% (11)

17% (5)

20% (16)

Source:

   

- Line related

25 (47%)

0

25 (30%)

- Post-op infection

14 (26%)

0

14 (17%)

- Urinary catheter

1 (2%)

0

1 (1%)

- Endocarditis

1 (2%)

6 (21%)

7 (9%)

- Cellulitis/soft tissue infection

0

9 (31%)

9 (11%)

- Ostemyelitis/joint infection

2 (4%)

7 (24%)

9 (11%)

- Pneumonia

1 (2%)

2 (7%)

3 (4%)

- Other

0

2 (7%)

2 (2%)

- Unknown

9 (17%)

3 (10%)

12 (15%)

Total (n)

53 (100%)

29 (100%)

82 (100%)

Specialty:

   

- Renal

27 (51%)

3 (10%)

30 (37%)

- Haematology/oncology

4 (7%)

6 (21%)

10 (12%)

- Infectious diseases

1 (2%)

7 (25%)

8 (10%)

- Hepatology

5 (9%)

2 (7%)

7 (9%)

- Geriatrics/general medicine

4 (8%)

2 (7%)

6 (7%)

- Surgical group

3 (6%)

3 (10%)

6 (7%)

- Emergency (community)

0

5 (17%)

5 (6%)

- Gynaecology

4 (7%)

0

4 (5%)

- Intensive Care Unit

3 (6%)

0

3 (4%)

- Paediatrics

1 (2%)

1 (3%)

2 (2%)

- Other

1 (2%)

0

1 (1%)

Total (n)

53 (100%)

29 (100%)

82 (100%)

List of 45 identified spa -types and percentages:

Most frequent

- t002 (6% - n=7)

- t008, t127, t318 (all 3% - n=4)

- t021 (2% - n=3)

Other spa -types

- t012, t018, t062, t084, t160, t701, t304, t1499, t1778, t5475 (all n=2)

- t015, t020, t032, t037, t105, t122, t164, t177, t223, t267, t346, t399, t571, t601, t665, t706, t878, t910, t937, t1245, t1467, t2365, t2956, t3225, t3732, t3896, t5078, t5848, t6265, t6362, t6509 (all n=1)

- Spa-types not in the database (n=7)1

- No PCR product (n=2)2

  1. 1Unknown spa-types can be send to Ridom Server for spa-type designation (www.spaserver.ridom.de).
  2. 2This is rare event with spa-typing but an alternative forward primer is available [6].