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Table 1 Results of gene mutations of KRAS, BRAF, PIK3CA and NRAS in AGC patients

From: Clinicopathological features and prognostic roles of KRAS, BRAF, PIK3CA and NRAS mutations in advanced gastric cancer

Gene mutations

Proportion (%)

Insufficient DNA samples

KRAS codon 12

6/164 (3.7)

3/167

KRAS codon 13

2/164 (1.2)

3/167

KRAS codon 61

0/131 (0.0)

36/167

KRAS codon 146

0/137 (0.0)

30/167

BRAF V600E

0/136 (0.0)

31/167

PIK3CA exon 9

8/163 (4.9)

4/167

PIK3CA exon 20

1/163 (0.6)

4/167

NRAS codon 12

1/159 (0.6)

8/167

NRAS codon 13

2/159 (1.3)

8/167

NRAS codon 61

0/135 (0.0)

32/167