Figure 2From: KRAS mutations: variable incidences in a Brazilian cohort of 8,234 metastatic colorectal cancer patients Percentage of mutant KRAS cases according to sex and age. Variables such as gender and age were analysed and the age ranges for both sexes were: ≤40 (p = 0.27), 40–50 (p = 0.02), 50–60 (p = 0.02), 60–70 (p = 0.47) and ≥70 (p = 0.73).Back to article page