Table 1.
Comparative Analysis of General Characteristics and Clinical Manifestations of Infective Endocarditis Caused by Streptococcus anginosus Group and Viridans Group Streptococci/Streptococcus gallolyticus Group
| Characteristic | SAG Endocarditis (n = 72) | VGS or SGG Endocarditis (n = 144) | P Value |
|---|---|---|---|
| Male sex | 55 (76.4) | 106 (73.6) | .846 |
| Mean age, y (SD) | 67 (16) | 68 (15) | .845 |
| Chronic lung disease | 12 (16.7) | 23 (16) | 1.000 |
| Diabetes mellitus | 16 (22.2) | 22 (15.3) | .283 |
| Chronic kidney disease | 6 (8.3) | 18 (12.5) | .491 |
| Age-adjusted Charlson index, y, mean (SD) | 3.8 (2.6) | 3.7 (2.5) | .960 |
| Acquisition | .834 | ||
| Community-acquired | 64 (88.9) | 133 (92.4) | .552 |
| Non-community-acquired | 6 (8.4) | 9 (6.3) | .776 |
| Type of endocarditis | .951 | ||
| Native | 58 (80.6) | 118 (81.9) | .951 |
| Prosthetic | 14 (19.4) | 26 (18.1) | .951 |
| Affected valve | .876 | ||
| Aortic | 29 (40.3) | 60 (41.7) | .961 |
| Mitral | 28 (38.9) | 52 (36.1) | .803 |
| Mitral and aortic | 14 (19.4) | 26 (18.1) | .950 |
| Embolic phenomena | 30 (41.7) | 47 (32.6) | .248 |
| Central nervous system emboli | 18 (25) | 22 (15.3) | .122 |
| Echocardiographic findings | |||
| Perforation or valve rupture | 16 (22.2) | 26 (18.1) | .584 |
| Pseudoaneurysm | 12 (16.7) | 12 (8.3) | .108 |
| Abscess | 18 (25) | 27 (18.8) | .264 |
| Intracardiac fistula | 4 (5.6) | 5 (3.5) | .485 |
| Prosthesis dehiscence | 1 (1.4) | 9 (6.3) | .170 |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: SAG, Streptococcus anginosus group; SD, standard deviation; SGG, Streptococcus gallolyticus group; VGS, viridans group streptococci.