Table 3 Epidemiology of causative pathogens of the studied population with infective endocarditis across three distinct periods.

From: Trends in infective endocarditis over two decades in a Thai tertiary care setting

 

Total

(N = 435)

1998–2001 (N = 134)

2012–2015 (N = 117)

2016–2020 (N = 184)

p-value

Streptococci

195 (44.8%)

55 (41.0%)

58 (49.6%)

82 (44.6%)

1.000

Staphylococci

76 (17.5%)

22 (16.4%)

14 (12.0%)

40 (21.7%)

0.504

Enterococci

23 (5.3%)

5 (3.7%)

5 (4.3%)

13 (7.1%)

0.528

Others

18 (4.1%)

5 (3.7%)

8 (6.8%)

5 (2.7%)

1.000

Culture negative

131 (30.1%)

51 (38.1%)

36 (30.8%)

44 (23.9%)

0.018

Identification of the pathogens

 Viridans group streptococci

72 (16.6%)

33 (24.6%)

10 (8.5%)

29 (15.8%)

0.051

 Unidentified alpha-hemolytic streptococci

27 (6.2%)

4 (3.0%)

10 (8.5%)

13 (7.1%)

1.000

 Streptococcus suis

38 (8.7%)

6 (4.5%)

8 (6.8%)

24 (13.0%)

0.042

 Streptococcus bovis

24 (5.5%)

0 (0.0%)

15 (12.8%)

9 (4.9%)

< 0.001

 Streptococcus agalactiae

21 (4.8%)

0 (0.0%)

7 (6.0%)

14 (7.6%)

0.012

 Streptococcus pneumoniae

3 (0.7%)

2 (1.5%)

0 (0.0%)

1 (0.5%)

0.924

 Staphylococcus aureus

56 (12.9%)

17 (12.7%)

11 (9.4%)

28 (15.2%)

1.000

 Staphylococcus epidermidis

4 (0.9%)

0 (0.0%)

1 (0.9%)

3 (1.6%)

0.462

 Other coagulase-negative staphylococci

8 (1.8%)

1 (0.7%)

1 (0.9%)

6 (3.3%)

0.330

 Enterococcus faecalis

20 (4.6%)

4 (3.0%)

3 (2.6%)

13 (7.1%)

0.327

 Enterococcus faecium

1 (0.2%)

0 (0.0%)

1 (0.9%)

0 (0.0%)

1.000

 HACEK

2 (0.5%)

0 (0.0%)

1 (0.9%)

1 (0.5%)

1.000

  1. HACEK (Haemophilus, Aggregatibacter, Cardiobacterium, Eikenella, and Kingella).