Research Article

Identification of Clostridium difficile Asymptomatic Carriers in a Tertiary Care Hospital

Table 3

Nonantimicrobial predictors of C. difficile infection. Description of discrete variables by (%) and comparisons between the two groups of patients ( pairs).

FactorsTotal ()Cases ()Controls ()Odds ratio (95% CI)

Urinary catheter (yes)94 (95.9)45 (91.8)49 (100.0)0.01 (0.00, 1.51)0.134
Peripheral IV (yes)59 (60.2)26 (53.1)33 (67.3)0.46 (0.14, 1.30)0.169
Central venous catheter (yes)32 (32.7)18 (36.7)14 (28.6)1.57 (0.56, 4.78)0.480
Nasoenteric tube (yes)2 (2.0)2 (4.1)0 (0.0)0.480
Tube feeding (yes)16 (16.3)8 (16.3)8 (16.3)1.00 (0.23, 4.34)>0.999
Surgical procedures (yes)15 (15.3)9 (18.4)6 (12.2)1.60 (0.46, 6.22)0.579
Mechanical ventilation (yes)3 (3.1)3 (6.1)0 (0.0)0.248
Neoplasia (yes)6 (6.1)6 (12.2)0 (0.0)0.041
Gastrointestinal symptoms during hospitalization (yes)43 (43.9)39 (79.6)4 (8.2)<0.001
Patient origin>0.999
 Home97 (99.0)48 (98.0)49 (100.0)
 Other1 (1.0)1 (2.0)0 (0.0)

Matched odds ratio with 95% CI [confidence interval] (impossible to calculate where there are no controls exposed, signaled by “—”). values were obtained by McNemar’s test.