Table 3 Clostridium difficile infection incidence according to the duration of antibiotic use and the number of administered antibiotics.

From: Risk Factors of Clostridium Difficile Infection After Spinal Surgery: National Health Insurance Database

 

Total Cases, No. (%)

CDI, No.

Incidence of CDI (%)

P Value

†Duration of antibiotic use (day)

   

0.201

   7 or less

44802 (62.8%)

31

0.07

 

   8 ~ 14

21709 (30.4%)

21

0.10

 

   15 or more

4811 (6.7%)

5

0.10

 

Number of antibiotics

   

<0.001

   1

32047 (44.9%)

14

0.04

 

   2

26122 (36.7%)

19

0.07

 

   3 or more

13123 (18.4%)

24

0.18

 
  1. CDI: Clostridium difficile infection †The duration of antibiotic use was calculated as the days which the antibiotics were administered, regardless of the number of antibiotics or the route of administration.
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