External Quality Assurance (EQA) Program

for

G6PD Quantitative Test in Taiwan


Survey No. : RH2020-02 Sample sent on : 2020 / 06 / 29 Reporting deadline : 2020 / 07 / 06
This Survey S2 has been used in 2010-2020 ( n = 5; Survey / Sample No. ) :
RH2010-07/S1 ; RH2012-07/S1 ; RH2018-04/S2 ; RH2019-01/S1 ; RH2020-02/S2

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2020-02 / Sample 2

Period : 2010 ~ 20203

U/gHb

SDI1

Mean

n

SD

CV

CVR2

RH01
8.9
0.7
8.1
5
1.13
14.0%
1.68
RH02
7.9
w
7.9
5
0.00
0.0%
0.00
RH04
8.9
0.5
8.5
5
0.73
8.6%
1.03
RH06
8.5
0.6
8.1
5
0.72
8.9%
1.07
RH07
7.5
-0.6
8
5
0.89
11.1%
1.34
RH08
8.2
0.0
8.2
5
0.72
8.8%
1.06
RH09
8.5
0.8
8.2
5
0.37
4.5%
0.54
RH10
6.8
-1.3
7.9
5
0.82
10.4%
1.25
RH12
8.6
1.1
7.8
5
0.72
9.2%
1.11
RH13
7.8
-0.2
7.9
5
0.66
8.4%
1.01
RH14
8.7
0.7
8.2
5
0.76
9.3%
1.12
RH19
7.5
-1.1
8.1
5
0.53
6.5%
0.79
A0203
7.6
0.0
7.6
5
0.70
9.2%
1.11
G026
8.0
0.6
7.5
5
0.79
10.5%
1.27
CL001
7.7
0.7
7.5
5
0.27
3.6%
0.43
CL002
7.0
-1.0
7.5
5
0.49
6.5%
0.79
CL004
8.4
w
w
2
w
w
w
CL014
7.7
w
w
3
w
w
w
CL015B
8.5
w
w
3
w
w
w
CL017
7.8
w
w
1
w
w
w

 Total participating laboratories = 20

Median

8.0
0.5
8.0
w
0.72
8.8%
1.06

Range

6.8 ~ 8.9
-1.3 ~ 1.1
 
7.5 ~ 8.5
w
0.00 ~ 1.13
0% ~ 14.0%
0.00 ~ 1.68
Mean of All participating laboratories CV  
8.3%
w
1). Standard Deviation Index (SDI) = (Individual Result - Individual Robust Mean) / Individual Robust SD
2). Coefficient of Variation Ratio ( CVR ) = Individual CV / Mean of All participating laboratories CV
* Intermediate Measurement Precision: Intermediate Measurement PrecisionFISO 3534-2:2006, JCGM 200:2012 ( VIM, 3rd ed. ) 2.23
** Mean and SD are calculated by Robust method according to ISO 13528, Algorithm A.
*** n < 5Anot calculated Mean and SD

 


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                  Preventive Medicine Foundation, Taipei, Taiwan

updated : 28 Oct, 2020


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