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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
  1. a(BMI >30), data available from 114 patients
  2. bData available from 136 patients
  3. cCoronary artery disease, valvular disease or documented heart failure
  4. dMcCabe class II or III: ultimately fatal or rapidly fatal disease
  5. eCorticosteroids used in a dose of over 5 mg per day during one month prior to the episode of bacteraemia
  6. fAt least one chronic disease