Associations between patient's characteristics and selected mutation typesa.

aThree selected types of mutations (see text) were compared to other mutations and wild-types. ORs and 95% CIs were calculated using logistic regression models. In the adjusted models, results were adjusted for other variables in the table except for age group (categorical); results for age group were not adjusted for the age (continuous) variable.bInterval between tea being poured and drunk (in minutes). Data were available for 106 patients.