"Sex Differences in the Effectiveness of Early Coronary CT Angiography Compared to Standard Emergency Department Evaluation for Acute Chest Pain: The ROMICAT II Trial"
Circ May 17
http://circ.ahajournals.org/content/early/2013/05/17/CIRCULATIONAHA.113.001736.abstract
"Conclusions—This trial provides data supporting an early CCTA strategy as an attractive option in women presenting to the ED with symptoms suggestive of ACS. The findings may be explained by lower CAD prevalence and severity in women than men."