From: Streptococcus agalactiae infective endocarditis in Canada: a multicenter retrospective nested case control analysis
Risk factor
OR
95% CI
p value
Injection drug use
19.6
3.39–111.11
0.001
Prosthetic valve
11.5
1.73–76.92
0.011
Recurrent bacteremia
0
N/A
0.99
Source identified
0.26
0.085–0.80
0.019