External Quality Assurance (EQA) Program

for

G6PD Quantitative Test in Taiwan

Survey No. : RH2020-03 Sample sent on : 2020 / 08 / 24 Reporting deadline : 2020 / 08 / 31
This Survey S2 has been used in 2013-2020 (n = 7; Survey / Sample No.) :
RH2013-01/S1 ; RH2013-07/S3 ; RH2014-04/S1 ; RH2017-01/S1 ; RH2018-02/S1 ; RH2019-01/S3 ; RH2020-03/S2

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2020-03 / Sample 2

Period : 2013 ~ 20203

U/gHb

SDI1

Mean

n

SD

CV

CVR2
RH01
20.1
0.6
18.5
7
2.50
13.5%
2.05
RH02
18.5
1.3
16.7
7
1.43
8.6%
1.30
RH04
16.5
-1.1
17.8
7
1.19
6.7%
1.01
RH06
17.9
0.2
17.7
7
1.12
6.3%
0.96
RH07
18.6
1.4
17.1
7
1.05
6.1%
0.93
RH08
18.2
0.4
17.7
7
1.21
6.8%
1.04
RH09
17.2
-0.6
17.8
7
1.04
5.8%
0.89
RH10
20.1
1.5
17.8
7
1.52
8.5%
1.29
RH12
18.5
0.5
18.0
7
1.11
6.2%
0.93
RH13
16.5
-1.4
17.8
7
0.94
5.3%
0.80
RH14
17.7
0.3
17.4
7
0.99
5.7%
0.86
RH19
16.7
-0.3
17.0
7
1.08
6.4%
0.96
A0203
17.7
0.6
17.1
7
0.93
5.4%
0.82
G026
18.8
0.6
17.8
7
1.54
8.7%
1.31
CL001
18.2
1.2
17.2
7
0.83
4.8%
0.73
CL002
16.2
-2.0
18.3
7
1.03
5.6%
0.85
CL004
17.6
¢w
¢w
2
¢w
¢w
¢w
CL014
18.3
-0.2
18.6
7
1.29
6.9%
1.05
CL015B
17.8
0.4
17.4
6
1.08
6.2%
0.94
CL017
16.2
¢w
¢w
1
¢w
¢w
¢w

 Total participating laboratories = 20

Median

17.9
0.4
17.8
¢w
1.10
6.3%
0.95

Range

16.2 ~ 20.1
-2.0 ~ 1.5
16.7 ~ 18.6
¢w
0.83 ~ 2.50
4.8% ~ 13.5%
0.73 ~ 2.05
 Mean of all participating laboratory CVs
6.6%
¢w
1). Standard Deviation Index (SDI) = (Individual Result - Individual Mean) / Individual SD
2). Coefficient of Variation Ratio ( CVR ) = Individual CV /  Mean of all participating laboratories CV
* Intermediate Measurement Precision¡FISO 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 < 5, not calculated Mean and SD.

 

 

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                  Preventive Medicine Foundation, Taipei, Taiwan

updated : 20 Nov, 2020

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