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 S1 has been used in 2015-2023 (n = 10; Survey / Sample No.) :
RH2007-01/S2 ;RH2007-07/S2 ; RH2007-11/S3 ; RH2008-01/S3 ; RH2008-07/S2 ; RH2009-01/S1 ; RH2010-05/S3 ; RH2011-07/S2 ; RH2021-02/S3; RH2023-02/S2

Intermediate Measurement Precision of G6PD Quantitative Test

Lab

Survey : RH2023-02 / Sample 1

Period : 2007 ~ 20233

U/gHb

SDI1

Mean

n

SD

CV

CVR2

RH01
16.5
1.1
14.4
10
1.86
12.9%
1.40
RH02
15.3
3.9
12.9
10
0.61
4.7%
0.51
RH04
16.6
2.3
13.1
10
1.55
11.8%
1.29
RH06
14.2
0.9
13.4
10
0.86
6.4%
0.70
RH07
12.8
0.1
12.7
10
0.87
6.9%
0.74
RH08
14.4
0.9
13.6
10
0.94
6.9%
0.75
RH09
14.5
1.5
12.9
10
1.07
8.3%
0.90
RH10
14.2
0.6
13.5
10
1.08
8.0%
0.87
RH12
16.6
1.7
13.3
10
1.93
14.5%
1.58
RH13
13.5
0.3
13.2
10
1.13
8.6%
0.93
RH14
16.6
1.3
13.8
10
2.16
15.7%
1.70
RH19
13.3
0.5
12.9
10
0.73
5.7%
0.62
A0189
13.3
0.1
13.2
9
1.41
10.7%
1.16
A0203
15.3
1.3
13.3
10
1.59
12.0%
1.30
G026
15.8
1.1
14.1
10
1.60
11.3%
1.23
CL001
14.5
2.4
12.7
10
0.75
5.9%
0.64
CL002
13.4
0.4
13.1
10
0.82
6.3%
0.68
CL003
15.4
w
w
2
w
w
w
CL004
14.0
w
w
2
w
w
w
CL014
15.5
w
w
2
w
w
w
CL015B
15.0
w
w
2
w
w
w
CL017
13.0
w
w
2
w
w
w
CL018
13.3
w
w
2
w
w
w
CL019
19.0
w
w
2
w
w
w

 Total participating laboratories = 24

Median

14.5
1.1
13.2
w
1.08
8.3%
0.90

Range

12.8 ~ 19.0
0.1 ~ 3.9
12.7 ~ 14.4
w
0.61 ~ 2.16
4.7% ~ 15.7%
0.51 ~ 1.70
 Mean of all participating laboratory CVs
9.2%
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 : 25 Sep, 2023


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