Distribution of Patient Profile, Tumor Characteristics and Treatment According to Ethnicity in 5,264 Southeast Asian Women with Breast Cancer.

aColumn percentage is presented except for center where row percentage is presented.bCompared using χ2 test for categorical variables and Kruskal Wallis test for continuous variables.cAbsolute tumor size was only available in 4 359 patients i.e. in 80.4% of the Chinese, 89.2% of Malays and 88.5% of Indians.dOnly includes 4,589 patients with TNM stage I to stage III breast cancer. Complete treatment consists of mastectomy, or breast conserving surgery followed by radiotherapy. Incomplete treatment includes breast conserving surgery only or radiotherapy only.eOnly includes 2 772 patients with estrogen or progesterone receptor positive tumors.