Table 1 Predisposing factors and underlying diseases of bacteraemia
From: Obesity and smoking are factors associated with poor prognosis in patients with bacteraemia
Predisposing factor | All patients | S. aureus | Str. pneumoniae | β-haemolytic streptococci | E. coli | p-value |
|---|---|---|---|---|---|---|
N = 149 | N = 41 | N = 42 | N = 23 | N = 43 | ||
n (%) | n (%) | n (%) | n (%) | n (%) | ||
Obesitya | 27 (23.7) | 9 (25.7) | 4 (16.7) | 6 (31.6) | 8 (22.2) | 0.698 |
Current smoker or ex-smokerb | 66 (48.5) | 18 (48.6) | 26 (65.0) | 11 (57.9) | 11 (27.5) | 0.007 |
Alcohol abuse | 24 (16.1) | 5 (12.2) | 9 (21.4) | 6 (26.1) | 4 (9.3) | 0.211 |
Type 1 diabetes | 5 (3.4) | 1 (2.4) | - | - | 4 (9.3) | 0.1 |
Type 2 diabetes | 29 (19.5) | 9 (22.0) | 5 (11.9) | 4 (17.4) | 11 (25.6) | 0.426 |
COPD | 8 (5.4) | - | 5 (11.9) | 2 (8.7) | 1 (2.3) | 0.053 |
Haematological malignancy | 11 (7.4) | 2 (4.9) | 3 (7.1) | 1 (4.3) | 5 (11.6) | 0.723 |
Solid malignancy | 15 (10.1) | 6 (14.6) | 3 (7.1) | 1 (4.3) | 5 (11.6) | 0.589 |
Rheumatoid arthritis | 7 (4.7) | 5 (12.2) | - | 1 (4.3) | 1 (2.3) | 0.034 |
Liver cirrhosis | 4 (2.7) | 2 (4.9) | - | 1 (4.3) | 1 (2.3) | 0.511 |
Cardiac diseasec | 44 (29.5) | 14 (34.1) | 10 (23.8) | 6 (26.1) | 14 (32.6) | 0.705 |
McCabe II or IIId | 24 (16.1) | 8 (19.5) | 5 (11.9) | 2 (8.7) | 9 (20.9) | 0.462 |
Corticosteroid treatmente | 18 (12.1) | 6 (14.6) | 4 (9.5) | 2 (8.7) | 6 (14.0) | 0.857 |
Chronic diseasef | 117 (78.5) | 33 (80.5) | 27 (64.3) | 17 (73.9) | 40 (93.0) | 0.013 |
Age >60 years | 78 (52.3) | 21 (51.2) | 20 (47.6) | 10 (43.5) | 27 (62.8) | 0.391 |
Male sex | 79 (53.0) | 28 (68.3) | 24 (57.1) | 14 (60.9) | 13 (30.2) | 0.003 |
Nosocomial infection | 30 (20.1) | 16 (39.0) | 4 (9.5) | 3 (13.0) | 7 (16.3) | 0.004 |