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 S3 has been used in 2015-2020 (n = 5; Survey / Sample No.) :
RH2015-01/S2 ; RH2017-03/S2 ; RH2018-03/S3 ; RH2019-04/S3 ; RH2020-04/S3

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
14.8
0.3
14.6
5
0.64
4.4%
0.66
RH02
15.2
0.0
15.3
5
2.05
13.4%
2.03
RH04
12.9
-0.8
14.4
5
1.91
13.3%
2.01
RH06
14.9
0.2
14.7
5
0.88
6.0%
0.91
RH07
14.4
-0.7
15.0
5
0.85
5.7%
0.86
RH08
15.0
1.3
14.4
5
0.45
3.1%
0.47
RH09
15.6
0.7
14.8
5
1.15
7.8%
1.18
RH10
12.3
-1.2
13.9
5
1.29
9.3%
1.41
RH12
14.3
-0.3
14.6
5
1.06
7.3%
1.10
RH13
13.1
-1.5
14.7
5
1.08
7.3%
1.11
RH14
13.4
-0.8
14.1
5
0.87
6.2%
0.93
RH19
14.6
0.3
14.5
5
0.35
2.4%
0.37
A0203
14.3
0.3
14.1
5
0.64
4.5%
0.69
G026
15.0
0.9
14.3
5
0.75
5.2%
0.79
CL001
14.0
-1.1
15.0
5
0.88
5.9%
0.89
CL002
13.7
-1.1
14.5
5
0.70
4.8%
0.73
CL004
15.4
w
w
2
w
w
w
CL014
14.0
-0.8
14.5
5
0.66
4.6%
0.69
CL015B
14.5
-0.1
14.6
5
1.11
7.6%
1.15
CL017
13.0
w
w
2
w
w
w
CL018
14.7
w
w
1
w
w
w
CL019
14.3
w
w
1
w
w
w

 Total participating laboratories = 22

Median

14.4
-0.2
14.6
w
0.88
5.9%
0.90

Range

12.3 ~ 15.6
-1.5 ~ 1.3
13.9 ~ 15.3
w
0.35 ~ 2.05
2.4% ~ 13.4%
0.37 ~ 2.03
 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 : 23 Nov, 2020


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