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Table 1 Incidence density ratio urinary tract infection and utilization ratio urinary catheter before and after interventions according to the location.

From: Success of a urinary catheter insertion team in reducing urinary infections in the ICU

Place Ratio Time Mean DP Median Min Max Mean reduction (%) pvalue
ICU IDR UTI Before 1.69 1.47 1.57 0.00 4.76 40.9 0.286
   After 1.00 1.62 0.00 0.00 4.66   
  UR Before 0.57 0.05 0.57 0.47 0.62 11.3 0.016
   After 0.50 0.07 0.54 0.37 0.57   
SDU IDR UTI Before 4.01 4.52 3.38 0.00 12.71 66.9 0.084
   After 1.33 2.45 0.00 0.00 6.37   
  UR Before 0.11 0.02 0.11 0.09 0.13 25.0 <0.001
   After 0.08 0.01 0.08 0.06 0.09   
ICU + SDU IDR UTI Before 2.39 1.89 2.08 0.00 6.59 57.2 0.040
   After 1.02 1.07 1.20 0.00 3.23   
  UR Before 0.24 0.02 0.25 0.21 0.26 13.4 0.001
   After 0.21 0.02 0.22 0.16 0.23   
  1. Student t test
  2. SDU step down unit, IDR UTI incidence density ratio of urinary tract infection,
  3. UR utilization ratio of urinary catheter