External Quality Assurance (EQA) Program

for

Survey No. : RH2010-05

Sample sent on : 2010/05/03

Reporting deadline : 2010/05/10

Intermediate Measurement Precision of G6PD Quantitative Test

Lab	Survey : RH2010-05 / Sample 3			Period : 2007 ~ 2010⁴
Lab	U/gHb	SDI²		Mean	n	SD	CV
RH01	13.8	0.4		13.5	7	0.80	5.9%
RH02	13.0	0.6		12.8	7	0.35	2.7%
RH03	13.4	0.5		12.9	7	0.92	7.1%
RH04	12.0	-0.8		12.6	7	0.73	5.8%
RH06	12.5	-0.8		13.1	7	0.73	5.6%
RH07	12.1	-0.9		12.9	7	0.85	6.6%
RH08	12.5	-1.6		13.5	7	0.61	4.5%
RH09	11.6	-1.2		12.5	7	0.73	5.8%
RH10	13.4	0.0		13.4	7	0.72	5.4%
RH12	12.9	0.2		12.6	7	1.26	10.0%
RH13	11.7	-1.4		13.4	7	1.21	9.0%
RH14	12.5	-0.3		13.0	7	1.47	11.3%
RH18	13.4	1.2		12.5	7	0.78	6.2%
RH19	13.7	0.8		13.1	7	0.76	5.8%
A0189	13.9	0.8		12.9	7	1.25	9.7%
A0203	12.4	-0.3		12.7	7	0.98	7.7%
G031	12.8	-0.8		13.6	7	1.03	7.6%
G026	12.7	-0.7		13.7	7	1.35	9.9%
CL01	11.7	-1.2		12.4	7	0.60	4.8%
CL02	13.5	0.5		13.1	7	0.87	6.6%
B001	13.5	0.8		12.9	7	0.78	6.0%
Total participating laboratories = 21
Median	12.8		-0.3	12.9	－	0.80	6.2%
Range	11.6 ~ 13.9		-1.6 ~ 1.2	12.4 ~ 13.7	－	0.35 ~ 1.47	2.7% ~ 11.3%
Ref. Lab³	12.7		0.0	12.7	7	0.25	2.0%

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.：RH 2007-01/S2 ; RH 2007-07/S2 ; RH 2007-11/S3 ; RH 2008-01/S3 ; RH 2008-07/S2 ; RH 2009-01/S1 ; RH 2010-05/S3
*Intermediate Measurement Precision；ISO 3534-2:2006

updated : 30 Jul, 2013