Table 2. Laboratory and microbiological isolates of 56 studied patients with infective endocarditis, 2011-2017.
WBC = white blood cells; RBC = red blood cells; HB = hemoglobin; ESR = erythrocyte sedimentation rate; CRP = C-reactive protein (normal values < 5 mg/dl); T0 = in the first three days of admission; MDR = multidrug resistant
| Laboratory parameters | % Patients |
| RBC low (< 4.0 x 106/µl) | 64.3% (36/56) |
| HB (≤10 g/dl) | 62.5% (35/56) |
| WBC (>11 x 103/µl) | 44.6% (25/56) |
| CRP at T0 (≥8 mg/l) | 83.9% (47/56) |
| ESR at T0 (≥20 mm/hour) | 46.4% (26/56) |
| Microorganisms identified in patients with positive (n=47) blood cultures. | % Patients |
| Blood culture negative endocarditis (BCNE) | 16.1% (9/56) |
| Methicillin-resistant Staphylococcus aureus (MRSA) | 21.3% (10/47) |
| Methicillin-sensitive Staphylococcus aureus (MSSA) | 17.0% (8/47) |
| Streptococcus spp. | 14.9% (7/47) |
| Vancomycine-susceptible Enterococcus spp. (VSE) | 10.6% (5/47) |
| Coagulase-negative Staphylococci (CoNS) | 8.5% (4/47) |
| Methicillin-resistant coagulase-negative Staphylococci resistant (MR-CoNS) | 8.5% (4/47) |
| MDR E. coli | 6.4% (3/47) |
| Vancomycin-resistant Enterococcus spp. (VRE) | 4.2% (2/47) |
| Brucella melitensis | 2.1% (1/47) |
| Candida albicans | 2.1% (1/47) |
| Neisseria elongata subsp. nitroreducens | 2.1% (1/47) |
| Propionibacterium acnes | 2.1% (1/47) |