External Quality Assurance (EQA) Program

for

Survey No. : RH2012-05

Sample sent on : 2012 / 05 / 07

Reporting deadline : 2012 / 05 / 14

This Survey S2 has been used in 2009-2012 (n = 5 ; Survey / Sample No.) :
RH2009-09/S3 ; RH2010-01/S3 ; RH2011-05/S1 ; RH2011-07/S3 ; RH2012-05/S2 ;

Intermediate Measurement Precision of G6PD Quantitative Test

Lab	Survey : RH2012-05 / Sample 2		Program period: 2009 ~ 2012⁴
Lab	U/gHb	SDI²	Mean	n	SD	CV
F01	3.3	1.0	3.0	4⁵	0.3	7.5%
F02	3.4	1.0	3.2	5	0.2	4.0%
F03	3.4	-0.2	3.6	5	0.9	18.0%
F04	3.1	1.0	2.9	4⁶	0.2	5.0%
F05	3.0	-1.0	3.3	5	0.3	6.0%
F06	3.3	0.2	3.2	4⁷	0.5	12.5%
F07	4.2	1.4	3.5	5	0.5	10.0%
F08	3.1	-1.0	3.4	5	0.3	6.0%
F09	1.1	-0.5	1.3	2^6,8	0.4	30.8%
F10	2.4	0.5	2.3	4⁹	0.3	13.0%
F11	6.7	-	6.7	1	-	-
Total participating laboratories = 10
Median	3.3	0.3	3.2	－	0.4	7.8%
Range	1.1 ~ 6.7	-1.0 ~ 1.4	1.3 ~ 6.7	－	0.2 ~ 0.9	4.0% ~ 30.8%
Ref. Lab³	3.6	-1.0	3.7	8	0.1	2.7%

1).		: Outlier (this result has been dropped and was not included in calculation of Mean, SD and CV).
2). Standard Deviation Index (SDI) = (Individual Result - Individual Mean) / Individual SD
3). The reference values were determined by reference method at the QC reference Lab.
4). Survey / Sample No.：RH2009-09/S3 ; RH2010-01/S3 ; RH2011-05/S1 ; RH2011-07/S3 ; RH2012-05/S2 ;
5). Not participated in the RH2009-09 survey.
6). Results not reported for the RH2009-09 survey.
7). Results not reported for the RH2010-01 survey.
8). The error results of RH2010-01 and RH2011-07 were excluded.
9). An error result of RH2010-01 was excluded.
* Intermediate Measurement Precision；ISO 3534-2:2006

	Newborn Screening QA Program Preventive Medicine Foundation	Newborn Screening Reference Center National Institutes of Health
P.O. Box 624, Taipei Xinwei, Taiwan 10699		University of the Philippines Manila
Tel : + 886-2-2703-6080; 　Fax : +886-2-2703-6070		Unit 104, Building A, UP Ayala Land Technohub, Brgy. UP Campus, Diliman, Quezon City 1101, Philippines
		Fax : + 632-351-7903;

updated : 30 Jul, 2013