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Table 3 Preanalytical mistakes in laboratory testing.

From: Types and frequency of preanalytical mistakes in the first Thai ISO 9002:1994 certified clinical laboratory, a 6 – month monitoring

 

Number

Number of

Number of

  

Division

of samples*

requested

preanalytical

Frequency (%)

(95% Cl)

  

tests

mistakes

  

In-Patient

298,769

304,906

426

0.143

0.129–0.156

Out-Patient

441,268

457,013

622

0.141

0.130–0.152

Total

935,896

941,902

1,048

0.112

0.105–0.119

  1. * The number of requested tests were greater than the number of samples because more than one test could be performed on a sample.
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BMC Clinical Pathology

ISSN: 1472-6890

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