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. 2022 Jul 12;22:759. doi: 10.1186/s12885-022-09849-x

Table 4.

Breakdown of results submitted by participating laboratories

Case 1 Case 2 Case 3 Case 4 Case 5

Correct result and

correct nomenclature used

106 248 193 122 115

Correct result

(variant uncharacterised)

125 N/A 10 88 4

Correct result

(incorrect nomenclature)

12 N/A 43 39 26
One of the two variants present not reported N/A N/A 7 N/A 79
False negative result 13 N/A 3 3 24
False positive result 2 5 1 5 0
Incorrect EGFR variant reported 1 N/A 1 1 6
Technical failure 3 8 4 4 7
Not marked 2 2 1 1 2

N/A Not applicable