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 S1 has been used in 2016-2020 ( n = 6; Survey / Sample No. ) :
RH2016-01/S2 ; RH2016-04/S1 ; RH2017-02/S1 ; RH2018-02/S2 ; RH2019-03/S2 ; RH2020-02/S1

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2020-02 / Sample 1

Period : 2016 ~ 20202

U/gHb

SDI1

Mean

n

SD

CV

CVR

RH01
5.9
0.9
5.7
6
0.23
4.0%
0.58
RH02
5.4
-0.4
5.6
6
0.46
8.2%
1.17
RH04
5.0
-1.1
5.7
6
0.62
10.9%
1.55
RH06
5.5
-0.5
5.6
6
0.20
3.6%
0.51
RH07
5.9
0.5
5.7
6
0.38
6.7%
0.95
RH08
5.7
0.7
5.5
6
0.27
4.9%
0.70
RH09
5.8
0.5
5.6
6
0.38
6.8%
0.97
RH10
5.4
-0.8
5.7
6
0.37
6.5%
0.93
RH12
5.8
0.6
5.5
6
0.51
9.3%
1.32
RH13
5.1
-0.9
5.4
6
0.34
6.3%
0.90
RH14
5.4
-0.3
5.5
6
0.33
6.0%
0.86
RH19
5.2
-0.4
5.4
6
0.45
8.3%
1.19
A0203
5.4
-0.6
5.6
6
0.35
6.3%
0.89
G026
5.3
-1.0
6
6
0.71
11.8%
1.69
CL001
5.8
0.3
5.7
6
0.29
5.1%
0.73
CL002
5.1
-0.1
5.2
6
0.78
15.0%
2.14
CL004
5.4
w
w
2
w
w
w
CL014
5.4
-0.7
5.6
6
0.30
5.4%
0.77
CL015B
5.4
0.0
5.4
6
0.31
5.7%
0.82
CL017
5.4
w
w
2
w
w
w

 Total participating laboratories = 20

Median

5.4
-0.4
5.6
w
0.36
6.4%
0.91

Range

5.0 ~ 5.9
-1.1 ~ 0.9
5.2 ~ 6.0
w
0.20 ~ 0.78
3.6% ~ 15.0%
0.51 ~ 2.14
Mean of All participating laboratories CV  
6.6%
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 : 10 Jul, 2020


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