Laboratory Medicine and Quality Assurance

Table. 1.

Table 1

Liquid biopsy results for epidermal growth factor receptor (2017–2023)

Trials	Specimen	Total no. of labs	Codon 719		Exon 19 deletion		T790M		L858R		L861Q
Trials	Specimen	Total no. of labs	Result	No. of labs	Result	No. of labs	Result	No. of labs	Result	No. of labs	Result	No. of labs
2017 1st	GLB-17-01	3	Neg	3	Neg	3	Pos	3	Pos	3	Neg	3
	GLB-17-02	3	Neg	3	Neg	3	Neg	3	Neg	3	Neg	3
2017 2nd	GLB-17-03	3	Neg	3	Neg	3	Neg	3	Neg	3	Neg	3
	GLB-17-04	3	Neg	3	Pos	3	Pos	3	Neg	3	Neg	3
2018 1st	GLB-18-01	20	Neg	20	Neg	20	Pos	20	Pos	20	Neg	20
	GLB-18-02	20	Neg	20	Neg	20	Neg	20	Neg	20	Neg	20
2018 2nd	GLB-18-03	23	Neg	23	Pos	23	Pos	23	Pos	23	Neg	23
	GLB-18-04	23	Neg	23	Neg	23	Neg	23	Neg	23	Neg	23
2019 1st	GLB-19-01	26	Neg	26	Pos	26	Neg	26	Neg	24	Neg	26
									Pos	2
	GLB-19-02	26	Neg	25	Neg	26	Pos	25	Pos	26	Neg	26
			Pos	1			Neg	1
2019 2nd	GLB-19-03	25	Neg	25	Neg	25	Pos	25	Pos	25	Neg	25
	GLB-19-04	25	Neg	25	Neg	23	Neg	25	Neg	25	Neg	25
					Pos	2
2020 1st	GLB-20-01	30	Neg	29	Pos	30	Neg	30	Pos	30	Neg	30
	GLB-20-02	30	Neg	29	Neg	30	Pos	30	Pos	30	Neg	30
2020 2nd	GLB-20-03	28	Neg	27	Neg	28	Pos	28	Pos	28	Neg	28
	GLB-20-04	28	Neg	27	Pos	28	Neg	28	Neg	28	Neg	28
2021 1st	GLB-21-01	29	Neg	28	Pos	29	Pos	29	Pos	29	Neg	29
	GLB-21-02	29	Neg	27	Neg	29	Neg	29	Pos	29	Neg	29
			Pos	1
2021 2nd	GLB-21-03	30	Neg	30	Pos	30	Neg	30	Neg	28	Neg	30
									Pos	2
	GLB-21-04	30	Neg	30	Neg	30	Pos	30	Pos	30	Neg	30
2022 1st	GLB-22-01	30	Neg	30	Neg	30	Pos	30	Pos	30	Neg	30
	GLB-22-02	30	Neg	30	Pos	30	Neg	30	Neg	30	Neg	30
2022 2nd	GLB-22-03	30	Neg	30	Pos	30	Neg	29	Neg	29	Neg	30
							Pos	1	Pos	1
	GLB-22-04	30	Neg	30	Neg	29	Pos	29	Pos	29	Neg	30
					Pos	1	Neg	1	Neg	1
2023 1st	GLB-23-01	30	Neg	30	Neg	30	Pos	30	Pos	30	Neg	30
	GLB-23-02	30	Neg	30	Pos	30	Neg	30	Pos	30	Neg	30
2023 2nd	GLB-23-03	30	Neg	30	Pos	29	Neg	29	Neg	28	Neg	30
					Neg	1	Pos	1	Pos	2
	GLB-23-04	30	Neg	30	Neg	28	Pos	28	Pos	28	Neg	30
					Pos	2	Neg	2	Neg	2

Bold letters indicate results that are not compliant with the intended responses.

Abbreviations: Pos, positive; Neg, negative.