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. 2016 May 12;31(8):1224–1230. doi: 10.3346/jkms.2016.31.8.1224

Table 5-2. Mutation rates in non-smokers according to diagnostic tools.

Smoking Cytology Biopsy Resection
KRAS Mu (%) KRAS WT (%) KRAS Mu (%) KRAS WT (%) KRAS Mu (%) KRAS WT (%)
Smoker 3 (75) 28 (63.63) 18 (85.71) 136 (66.34) 2 (66.66) 23 (50)
Non-smoker 1 (25) 16 (36.37) 3 (14.29) 69 (33.66) 1 (33.34) 23 (50)
Unknown 0 0 0 0 0 0
Total 4 (8.33) 44 (91.67) 21 (9.29) 205 (90.71) 3 (6.12) 46 (93.88)