External Quality Assurance (EQA) Program

for

G6PD Quantitative Test in Taiwan


Survey No. : RH2020-04 Sample sent on : 2020 / 11 / 09 Reporting deadline : 2020 / 11 / 16
This Survey S1 has been used in 2015-2020 (n = 5; Survey / Sample No.) :
RH2015-01/S3 ; RH2017-03/S3 ; RH2018-03/S1 ; RH2019-04/S1 ; RH2020-04/S1

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2020-04 / Sample 2

Period : 2015 ~ 20203

U/gHb

SDI1

Mean

n

SD

CV

CVR2

RH01
4.6
-1.5
4.9
5
0.20
4.1%
0.61
RH02
5.1
0.5
5.0
5
0.20
4.0%
0.60
RH04
4.6
-0.7
4.8
5
0.29
6.0%
0.90
RH06
4.3
-0.8
4.7
5
0.49
10.4%
1.56
RH07
4.7
-1.2
4.9
5
0.17
3.5%
0.52
RH08
4.3
-0.8
4.6
5
0.39
8.5%
1.27
RH09
4.9
-0.2
5.0
5
0.55
11.0%
1.64
RH10
4.2
-1.3
4.7
5
0.40
8.5%
1.27
RH12
4.7
-0.4
4.8
5
0.28
5.8%
0.87
RH13
4.6
-0.5
4.8
5
0.37
7.7%
1.15
RH14
4.4
-0.8
4.6
5
0.24
5.2%
0.78
RH19
4.7
1.1
4.6
5
0.09
2.0%
0.29
A0203
4.1
-1.3
4.5
5
0.31
6.9%
1.03
G026
5.0
1.6
4.5
5
0.31
6.9%
1.03
CL001
5.2
0.0
5.2
5
0.24
4.6%
0.69
CL002
4.5
-0.8
5.0
5
0.64
12.8%
1.91
CL004
4.3
w
w
2
w
w
w
CL014
4.4
-0.8
4.6
5
0.24
5.2%
0.78
CL015B
4.4
-0.8
4.7
5
0.36
7.7%
1.14
CL017
4.4
w
w
2
w
w
w
CL018
4.3
w
w
1
w
w
w
CL019
4.3
w
w
1
w
w
w

 Total participating laboratories = 22

Median

4.5
-0.8
4.8
w
0.30
6.5%
0.96

Range

4.1 ~ 5.2
-1.5 ~ 1.6
4.5 ~ 5.2
w
0.09 ~ 0.64
2.0% ~ 12.8%
0.29 ~ 1.91
 Mean of all participating laboratory CVs
6.7%
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 : 23 Nov, 2020


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