Table 3

Characteristics of hospitalized adults who tested positive (cases) and negative (controls) for Clostridium difficile
Characteristics Cases, n = 468 Controls, n = 3579 P value
Age, mean ± SDa 57.6 ± 17.5 58.8 ± 16.5 0.158
Female, n (%) 223 (47.6) 1723 (48.1) 0.841
Caucasian, n (%) 387 (82.7) 2927 (81.8)
African-American, n (%) 51 (10.9) 386 (10.8)
Other race/unknown, n (%) 30 (6.4) 266 (7.4) 0.727
Elective admission, n (%) 138 (29.5) 930 (26.0)
Urgent admission, n (%) 104 (22.2) 846 (23.6)
Emergent admission, n (%) 226 (48.3) 1803 (50.4) 0.268
Days until stool collection, median (IQR)b 6 (4 to 10) 6 (4 to 10) 0.273
Antibiotics, n (%) 392 (83.8) 2956 (82.6) 0.530
Immunosuppressants, n (%) 71 (36.4) 554 (35.0) 0.692
Proton-pump inhibitors, n (%) 268 (57.3) 2040 (57.0) 0.913
Histamine-2 receptor antagonists, n (%) 138 (29.5) 1061 (29.6) 0.944
Statins, n (%) 130 (27.8) 927 (25.9) 0.385
Anxiolytics, n (%) 67 (34.4) 499 (31.5) 0.419
Antipsychotics, n (%) 24 (12.3) 202 (12.7) 0.860

aAge range 18 to 100 years.

bNumber of days from admission to stool collection for Clostridium difficile testing, median and interquartile range (IQR).

Rogers et al.

Rogers et al. BMC Medicine 2013 11:121   doi:10.1186/1741-7015-11-121

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