External Quality Assessment on CD4+ T-cell count

Name: External Quality Assessment on CD4+ T-cell count
Brand: LAP LAMBERT Academic Publishing
SKU: 9786200309280
Price: 13931 HUF
Availability: InStock

Szerző: Natnael Kidanu Yibalih

Nyelv:

Kötés: Puha kötésű

Kiadó: LAP LAMBERT Academic Publishing

Elérhetőség: Beszállítói készleten

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Back ground: CD4+ T-cell count External Quality Assessment program is important for the evaluation o...

Információk a könyvről

Szerző

Natnael Kidanu Yibalih

Nyelv

Angol

Kötés

Könyv - Puha kötésű

Kiadva

2020

oldal

EAN

9786200309280

ISBN

6200309280

Enbook ID

32818596

Kiadó

LAP LAMBERT Academic Publishing

Súly

141

Méretek

152 x 229 x 5

Teljes leírás

Back ground: CD4+ T-cell count External Quality Assessment program is important for the evaluation of performance of CD4 count laboratories. The aim was to assess the quality of CD4 count laboratory performance using in-house Proficiency Testing panels that perform routine CD4 counts in Addis Ababa, Ethiopia, 2013/14.Methods: Participating laboratories were 20, 23, and 25 in trials 1, 2, 3 respectively. In-house prepared fresh whole blood samples both with normal and low CD4 values were sent to participating laboratories. Percentage and absolute counts of CD4+ T-lymphocytes were done using their routine procedures. Data were analyzed for each trial including trimmed mean, standard deviation (SD), percent coefficient of variation (%CV), residual, and standard deviation index (SDI) values for both absolute counts and percentages of CD4+ lymphocytes (%CD4). Results: Most participating laboratories produced results that were within 2SD of the mean. Average inter-laboratory precision (trimmed %CV) was 10.87% and 5.14% for CD4 absolute counts and %CD4 respectively. For normal material, the trimmed mean %CV was 9.59% and 3.23% for CD4 absolute counts and %CD4 respectively.

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External Quality Assessment on CD4+ T-cell count

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