• Table 1 in The article: A Practical Solution for Dyspareunia in Breast Cancer Survivors: A Randomized Controlled Trial. GoetschMF,LimJY, Caughey AB.

J Clin Oncol. 2015 Oct 20;33(30):3394-400. doi: 10.1200/JCO.2014.60.7366. Epub 2015 Jul 27.

summarizes the demographic and clinical characteristics by randomization group at the baseline. P values from demographic comparisons between these two groups (the saline group and the 4% Lidocaine group) were not presented in Table 1.

• If we want to compare with the following demographic and clinical characteristics between these two groups at the baseline, which statistical test would you recommend to use? You should identified the exact test (t, U, Chi square tests), two-sided or one-sided, paired or unpaired.(6 points)
• Race
• Years with present partners
• Baseline score for pain with sex