Table 6

 Comparison of characteristics of patients with clinically relevant clostridium bacteraemia and those with clostridium pseudobacteraemia

CharacteristicsNumber of patients (%)p Value
Clinically relevant bacteraemia (n = 38)Pseudobacteraemia (n = 30)
*The percentages add up to more than 100% because some patients had more than one underlying disease.
NS, not significant.
Sex
    Male23 (61)13 (43)NS
    Female15 (39)17 (57)
Mean age (SD)64 (26.3)70 (21.6)NS
Underlying disease*
    Gastrointestinal tract disease11 (29)7 (23)NS
    Hepatobiliary tract disease11 (29)1 (3)<0.01
    Malignancy11 (29)6 (20)NS
    Hypertension11 (29)10 (33)NS
    Diabetes mellitus7 (18)6 (20)NS
    Cerebrovascular accident6 (16)13 (43)<0.05
    Immobilisation and/or bed sore4 (11)16 (53)<0.005
    Chronic renal failure3 (8)0 (0)NS
Blood culture isolate
    C barati0 (0)1 (3)NS
    C difficile1 (3)0 (0)NS
    C disporicum1 (3)0 (0)NS
    C indolis0 (0)1 (3)NS
    C innocuum0 (0)1 (3)NS
    C orbiscindens0 (0)1 (3)NS
    C paraputrificum1 (3)3 (10)NS
    C perfringens30 (79)21 (70)NS
    C ramosum3 (8)0 (0)NS
    C septicum1 (3)0 (0)NS
    C sporosphaeroides0 (0)1 (3)NS
    C tertium1 (3)1 (3)NS
Community/hospital acquired
    Community30 (79)21 (70)NS
    Hospital8 (21)9 (30)
Number of positive blood cultures
    134 (89)30 (100)NS
    24 (11)0 (0)
Mono/polymicrobial bacteraemia
    Monomicrobial19 (50)16 (53)NS
    Polymicrobial19 (50)14 (47)NS