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Table 1 The results of culture report times and ATP test for E. coli (ATCC 25922) cultured by reference or C&W methods

From: Repeated centrifuging and washing concentrates bacterial samples in peritoneal dialysis for optimal culture: an original article

 

Reference

C&W

p-value

Gram stain report time (minutes)

238 ± 65

40 ± 0

< 0.001

Colony count*(×104 CFU/ml)

5.6 (3.8–6.9)

10 (8.7–10)

0.015

ATP generation test (RLU#)

27.6 ± 3.6

49.1 ± 6.6

< 0.001

  1. C&W centrifuging and washing method, # RLU relative light unit
  2. * colony count > 105 CFU/ml was counted as 105 CFU/ml
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BMC Microbiology

ISSN: 1471-2180

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