Clavicle Error - Broken Collarbone

a big study in 2006 showed significantly displaced (>2cm) midshaft fractures have a high rate of non-union (ie. failing to connect together at all) and has tipped the balance towards surgery in these cases.

The study is here:
http://www.ejbjs.org/cgi/content/abstract/88/1/35

Thanks for that link - bizarrely enough the first author cited for that paper is the surgeon who operated on my first collarbone break! Small world.