Patient risk characteristics | p Value | Multivariate analysis, OR (95% CI) | |||
---|---|---|---|---|---|
BV | MV | ||||
Increased age | 0.012 | 0.029 | 1.05 (1.01 to 1.10) | ||
Female sex | 0.015 | – | |||
Prosthetic valve infective endocarditis | 0.53 | – | |||
Aortic valve infective endocarditis | 0.83 | – | |||
Multivalve involvement | 0.028 | – | |||
Diabetes mellitus | 0.62 | – | |||
Shorter duration of symptoms before diagnosis | 0.050 | 0.026 | 1.03 (1.01 to 1.04) | ||
Systemic emboli | 0.84 | – | |||
Increased preoperative creatinine levels | 0.15 | – | |||
Chronic renal failure | 1.00 | – | |||
Atrioventricular block | 1.00 | – | |||
Shorter duration of antibiotic treatment before operation | 0.51 | – | |||
Uncontrolled infection at intervention | 0.64 | – | |||
Endocarditis caused by staphylococci | 0.40 | – | |||
Culture negative endocarditis | 0.80 | – | |||
Advanced NYHA functional class | 0.07 | – | |||
Preoperative shock | 0.125 | – | |||
Emergency surgery | 0.086 | 0.003 | 12.5 (2.28 to 60.24) | ||
Surgery before 1985 | 0.52 | – | |||
Presence of abscesses at operation | 0.095 | – | |||
Longer duration of ischaemia at operation | 0.004 | – | |||
Longer time of bypass at operation | < 0.001 | 0.0001 | 1.04 (1.02 to 1.06) |
BV, bivariate; MV, multivariate; OR, odds ratio; CI, confidence interval.