Table 1

Demographic, clinical, microbiology and echocardiographic characteristics of patients with definite endocarditis according to study period

VariablePre-ET
(n=101)
Post-ET
(n=95)
P value
Age (years)56.1±14.457.5±17.50.54
Male67 (66.3)73 (76.8)0.12
Diabetes mellitus14 (13.9)15 (15.8)0.84
EuroSCORE II11.7±10.613.1±10.30.35
Biochemical results*
 Serum eGFR (mL/min)66.8±26.166.3±25.10.91
 Serum haemoglobin (g/dL)91.5±32.789.6±32.20.70
 Serum neutrophils (x109/L)9.1±5.38.2±5.10.23
 Serum CRP (mg/L)93.4±66.1105.5±90.50.29
Predisposing conditions for IE
 Predisposing cardiac disease†30 (29.7)26 (27.4)0.75
 Intravenous drug abuse10 (9.9)9 (9.5)1.00
 History of IE10 (9.9)9 (9.5)1.00
 Intervention (12 months)‡21 (20.8)14 (14.7)0.35
Localisation of vegetation
 AV39 (38.6)38 (40.0)0.96
 AV+aortic root9 (8.9)8 (8.4)
 MV29 (28.7)27 (28.4)
 AV+MV7 (6.9)8 (8.4)
 TV11 (10.9)8 (8.4)
 AV+MV+TV2 (2)3 (3.2)
 Pacemaker lead (no valve)1 (1)2 (2.1)
 No vegetation identified3 (3.0)1 (1.1)
Valve type
 Native71 (70.3)68 (71.6)1.00
 Prosthetic22 (21.8)22 (23.2)
 Native and prosthetic4 (4.0)2 (2.1)
Microbiology
 Blood culture positive82 (81.2)85 (89.5)0.11
 Viridans group streptococci14 (13.9)9 (9.5)0.50
Streptococcus gallolyticus 6 (5.9)s3 (3.2)
Staphylococcus aureus 24 (23.8)27 (28.4)
 Enterococci9 (8.9)11 (11.6)
  • Data shown as mean±SD or number (percentage).

  • *Admission values.

  • †Rheumatic disease, prosthetic valve or valve repair.

  • ‡Dental or surgical interventions within the past 12 months.

  • AV, aortic valve; CRP, C-reactive protein; eGFR, estimated glomerular filtration rate; ET, endocarditis team; EuroSCORE, European System for Cardiac Operative Risk Evaluation; IE, infective endocarditis; MV, mitral valve; TV, tricuspid valve.