Table 3. Agreement analysis between EGFR PCR test and LDT.

		SLCG LDT		Total
N = 432		Mutation detected	Mutation not detected
EGFR PCR test	Mutation detected	146	7	153
	Mutation not detected	9	270	279
	Total	155	277	432*

•12 samples with inconclusive LDT results and 43 samples with invalid EGFR PCR test results were excluded.

Positive percent agreement  = 94.2% (95% CI [89.3–96.9%]).

Negative percent agreement  = 97.5% (95% CI [94.9–98.8%]).

Overall percent agreement  = 96.3% (95% CI [94.1–97.7%]).