UK NEQAS for Antibiotic Assays

Distribution 2798 Closing Date 23-January-2012

Weighed-in concentrations and All-laboratory Trimmed Means (ALTM)

Analyte

Weighed-in

(mg/L)

Target*

  ALTM 

(mg/L)

Returns

SD

CV%


Amikacin

0.0

NS

0.4

12

0.3

61.6

Flucytosine

72.5

NS

71.2

7

12.7

17.9

Gentamicin

7.0

ALTM

6.8

184

0.4

6.5

Teicoplanin

70.6

ALTM

67.4

21

6.1

9.1

Tobramycin

6.0

ALTM

6.0

94

0.8

12.6

Vancomycin

10.5

ALTM

10.4

180

0.9

8.8


*NS means the  analyte was not scored

 

Weighed-in concentration

The weighed-in concentration (mg/L) is given for information only.  It is published three days after the distribution closes and can be used to give a guide to individual laboratory performance. ALTM values (mg/L) and statistics are published as soon as they are available.

Target

The ALTM is used as the target concentration by the Scheme for determination of laboratory performance for all analytes


Email: ukneqas.antibiotics@nbt.nhs.uk
Copyright © 2008 UK NEQAS for Antibiotic Assays. All rights reserved.