External Quality Assurance (EQA) Program

for

G6PD Quantitative Test in Taiwan


Survey No. : RH2023-02 Sample sent on : 2023 / 05 / 29 Reporting deadline : 2023 / 06 / 05
This Survey S2 has been used in 2015-2023 (n = 7; Survey / Sample No.) :
RH2015-01/S3 ; RH2017-03/S3 ; RH2018-03/S1 ; RH2019-04/S1 ; RH2020-04/S1 ; H2021-03/S1 ; H2023-02/S2

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2023-02 / Sample 2

Period : 2015 ~ 20233

U/gHb

SDI1

Mean

n

SD

CV

CVR2

RH01
4.3
-1.1
4.7
7
0.37
7.9%
1.16
RH02
4.8
-0.4
4.9
7
0.26
5.3%
0.78
RH04
4.4
-0.9
4.7
7
0.32
6.8%
1.00
RH06
4.2
-0.9
4.6
7
0.46
10.0%
1.47
RH07
4.0
-3.1
4.8
7
0.26
5.4%
0.80
RH08
4.2
-1.1
4.6
7
0.38
8.3%
1.21
RH09
4.7
-0.4
4.9
7
0.46
9.4%
1.38
RH10
4.5
-0.5
4.7
7
0.39
8.3%
1.22
RH12
5.2
1.0
4.9
7
0.31
6.3%
0.93
RH13
5.1
0.9
4.8
7
0.33
6.9%
1.01
RH14
5.1
1.4
4.6
7
0.36
7.8%
1.15
RH19
4.3
-1.3
4.5
7
0.15
3.3%
0.49
A0189
4.7
w
w
2
w
w
w
A0203
4.6
0.4
4.5
7
0.28
6.2%
0.92
G026
4.7
-1.2
5.0
7
0.26
5.2%
0.76
CL001
5.3
0.4
5.2
7
0.24
4.6%
0.68
CL002
4.7
-0.3
4.8
7
0.36
7.5%
1.10
CL003
4.8
w
w
2
w
w
w
CL004
4.4
w
w
4
w
w
w
CL014
4.6
0.0
4.6
7
0.19
4.1%
0.61
CL015B
4.2
-0.8
4.5
7
0.38
8.4%
1.24
CL017
4.5
w
w
4
w
w
w
CL018
5.0
w
w
3
w
w
w
CL019
4.8
w
w
3
w
w
w

 Total participating laboratories = 24

Median

4.7
-0.5
4.7
w
0.33
6.8%
1.01

Range

4.0 ~ 5.3
-3.1 ~ 1.4
4.5 ~ 5.2
w
0.15 ~ 0.46
3.3% ~ 10.0%
0.49 ~ 1.47
 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 CVs
* 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 < 5, not calculated Mean and SD.

 

 


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                  Preventive Medicine Foundation, Taipei, Taiwan

updated : 13 Jun, 2023


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