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Table 1 Geographic distribution of KRAS status according to region

From: KRAS mutations: variable incidences in a Brazilian cohort of 8,234 metastatic colorectal cancer patients

Geographic distribution Wild-type Mutant Total n (%)
n (%) n (%) 8,234 (100)
Southeast 3,026 (65.3) 1,608 (34.7) 4,634 (56.3)
South 1,091 (68) 514 (32) 1,605 (19.5)
Northeast 558 (69.1) 250 (30.9) 808 (9.8)
Middle west 387 (66.5) 195 (33.5) 582 (7.1)
North 93 (65.5) 49 (34.5) 142 (1.7)
Missing data - - 463 (5.6)
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