Table 2.

Etiologic Factors of Left- and Right-sided Endocarditis.

Etiology Right-sided Endocarditis
n=39
Left-sided Endocarditis
n=176
P value
Staphylococcus aureus, n (%) 20 (51.3) 33 (18.8) <0.001
Staphylococci, coagulase-negative, n (%) none 24 (13.6) 0.009
Streptococci, viridans, n (%) 4 (10.3) 26 (14.8) 0.6
Streptococci, other types, n (%) 3 (7.7) 13 (7.4) 1
HACEK group, n (%) none 8 (4.5) 0.3
Gram-negative rods, n (%) 2 (5.1) 4 (2.3) 0.3
Enterococcus, n (%) 1 (2.6) 23 (13.1) 0.08
Fungi, n (%) 1 (2.6) 2 (1.1) 0.4
Pseudomonas, n (%) none 4 (2.3) 1
Brucella, n (%) none 3 (1.7) 1
Q-fever, n (%) none 3 (1.7) 1
Unknown pathogen, culture-negative, n (%) 8 (20.5) 30 (17) 0.6

HACEK, Haemophilus aphrophilus, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2019 January; 10(1): e0003. ISSN: 2076-9172
Published online 2019 January 28. doi: 10.5041/RMMJ.10338.