Relevant Study Results "A consecutive series of patients was selected from the medical records in 1 hospital between August 1999 and July 209] for women and between August 1999 and August 2009 for men. With regard to a lower incidence rate of MI in women. a longer selection period was needed for them We decided to include 103 women and 190 men to have a comfortable margin for dropouts. "An introductory letter. informed consent form. and questionnaires were mailed to eligible subjects 1 month after an acute MI. Aer 1 week. the rst author phoned the patients. Those interested in participating returned the signed consent form and the completed questionnaires to the investigator within 1 to 2 weeks. The same questionnaires were mailed to the subj ects on 3 occasions. 1. 4. and 12 months after MI. Data om 1 month are presented in this article" (Kristofferzon et al.. EGGS. p. 41). "Of the target population of 333 women. 20% died before inclusion. 35% did not meet the inclusion criteria. and 23% declined participation; of the target population of31'ir men. the corresponding numbers were 1T%.2T%. and 26%. respectiver The nal sample consisted of T4 women and 9? men" (Kristofferzon et al.. 2905. p. 41). In Table VI. are the quality of life measures reported by Kristofferzon et al. (2005) in their study of women and men following an MI. The level of signicance or alpha for this stud}F was set at 0.95