Peer Group Statistics Table

Internal Quality Control Program (IQC) for Neonatal Phe Screening Test

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Peer Group Statistics (Table 1)

Month vs. Cumulative (Table 2)

QC Chart of Individual Lab

Peer Group Statistics (Table 2)

CI Month vs. Cumulative

			CI (Lot No.: TPC1502AC)
			Month (2023/12)									CUM (2018/01/01~2023/12/31)
UnitID	Reagent Kit (Code)	Unit	Target	Mean	n for Mean	SD	CV (%)	TE (%)	TEa (%)	σ		Target	Mean	n for Mean	SD	CV (%)	TE (%)	TEa (%)	σ
NS001	2	mg/dL blood	2.9	-	0	-	-	-	10	-		2.9	3.0	6	0.21	7.0	17.4	10	0.9
NS001	3	mg/dL blood	2.9	-	0	-	-	-	10	-		2.9	3.5	1	-	-	-	10	-
NS001	13	mg/dL blood	2.9	-	0	-	-	-	10	-		2.9	3.0	3	0.50	16.7	36.8	10	0.4
NS001	2	umol/L blood	176	-	0	-	-	-	20	-		176	176.0	3	7.81	4.4	8.9	20	4.5
NS001	3	umol/L blood	176	-	0	-	-	-	20	-		176	173.5	2	-	-	-	20	-
NS001	13	umol/L blood	176	-	0	-	-	-	20	-		176	172.0	4	6.48	3.8	9.8	20	4.7
NS004	9	mg/dL blood	1.8	2.0	9	0.20	10.0	31.1	13	0.2		1.8	2.3	927	0.73	31.7	91.3	13	-0.5
NS007	7	umol/L blood	176	-	0	-	-	-	10	-		176	183.4	165	38.35	20.9	46.0	10	0.3
NS022	9	mg/dL blood	2.9	-	0	-	-	-	30	-		2.9	3.0	434	0.39	13.0	29.4	30	2.0

Bias (%) = [ (│Mean - Target│) / Target ] x 100%
TE：Total Error(%) = Bias (%) + 2 × CV (%)
σ (Sigma) = [TEa% - Bias (%)] / CV (%)

CII Month vs. Cumulative

			CII (Lot No.: TPC1502AD)
			Month (2023/12)									CUM (2018/01/01~2023/12/31)
UnitID	Reagent Kit (Code)	Unit	Target	Mean	n for Mean	SD	CV (%)	TE (%)	TEa (%)	σ		Target	Mean	n for Mean	SD	CV (%)	TE (%)	TEa (%)	σ
NS001	2	mg/dL blood	12.5	-	0	-	-	-	10	-		12.5	12.5	6	0.68	5.4	10.9	10	1.9
NS001	3	mg/dL blood	12.5	-	0	-	-	-	10	-		12.5	12.0	1	-	-	-	10	-
NS001	13	mg/dL blood	12.5	-	0	-	-	-	10	-		12.5	13.0	3	0.50	3.8	11.7	10	1.6
NS001	2	umol/L blood	756	-	0	-	-	-	20	-		756	751.3	3	7.77	1.0	2.7	20	>6
NS001	3	umol/L blood	756	-	0	-	-	-	20	-		756	753.0	2	-	-	-	20	-
NS001	13	umol/L blood	756	-	0	-	-	-	20	-		756	761.3	4	14.73	1.9	4.6	20	>6
NS004	9	mg/dL blood	7.5	7.5	9	0.86	11.5	22.9	13	1.1		7.5	9.7	927	3.26	33.6	96.5	13	-0.5
NS007	7	umol/L blood	756	-	0	-	-	-	10	-		756	780.2	165	105.21	13.5	30.2	10	0.5
NS022	9	mg/dL blood	12.3	-	0	-	-	-	30	-		12.3	12.6	434	1.21	9.6	21.6	30	2.9

Bias (%) = [ (│Mean - Target│) / Target ] x 100%
TE：Total Error(%) = Bias (%) + 2 × CV (%)
σ (Sigma) = [TEa% - Bias (%)] / CV (%)

Reagent Kit	Reagent Code
Astoria-Pacific	2
Bio-Rad	3
Cambridge	13
Labsystems Diagnostics Oy	7
PerkinElmer-GSP	9
Laboratory prepared	99

Peer Group Statistics (Table 1)

Month vs. Cumulative (Table 2)

QC Chart of Individual Lab

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Supported by:
Preventive Medicine Foundation, Taipei, Taiwan
updated : 27 Feb, 2020