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Table 2 Characteristics of 32 Asymptomatic Carriers of Clostridium difficile and 218 Non-carriers

From: Do piperacillin/tazobactam and other antibiotics with inhibitory activity against Clostridium difficile reduce the risk for acquisition of C. difficile colonization?

Characteristic All participants (N = 250) Asymptomatic carriers (N = 32) Non-carriers (N = 218) P value
Mean (SD) age (years) 66.9 (11.9) 64.3 (12.1) 67.2 (11.8) 0.19
Median (IQR) days from admission to culture 9 (4, 15) 11.5 (6, 20.5) 8 (4, 14) 0.07
Days from admission to culture
 0–7 110 13 (41) 97 (44) 0.34
 8–14 75 7 (22) 68 (31)  
 15–21 27 4 (12) 23 (11)  
 ≥22 38 8 (25) 30 (14)  
CDI in the previous 90 days 13 6 (19) 7 (3) <0.001
Antibiotics in the past 90 days 155 27 (84) 128 (59) 0.005
Antibiotics in the past 30 days 144 24 (75) 120 (55) 0.03
Current antibiotic treatment 98 12 (38) 86 (39) 0.83
Comorbidities
 Heart disease 95 9 (28) 86 (39) 0.22
 Cancer 85 12 (37) 73 (33) 0.65
 Diabetes 103 11 (34) 92 (42) 0.40
 End stage renal disease 23 3 (9) 20 (9) 0.97
 Major surgery 70 8 (25) 62 (28) 0.69
 Spinal cord injury 21 4 (13) 17 (8) 0.32
  1. Data are no. (%) of patients, unless otherwise specified. SD standard deviation, IQR interquartile range