PRE group (n=22) Control group (n=22) p Age (years), mean (SD) Age (years), mean (SD) 60.5 (6.1) 58.8 (8.1) .58 Body mass index (kg/m2), mean (SD) Body mass index (kg/m2), mean (SD) 28.5 (4.09) 27.7 (3.51) .65 Marital status (n) Married 16 19 .26 Single 6 3 Education status (n) University 14 9 .12 High school 3 9 Primary education 5 4 Type of AI (n) Anastrozole 12 14 .54 Letrozole 10 8