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. Author manuscript; available in PMC: 2014 Dec 30.
Published in final edited form as: J Vasc Surg. 2013 Sep 5;58(6):1518–1524.e1. doi: 10.1016/j.jvs.2013.06.064

Fig 3.

Fig 3

Statistical process control (SPC) chart shows reoperation for bleeding after carotid endarterectomy (CEA) for all surgeons participating in the Vascular Study Group of New England (VSGNE) from January 2003 to July 2012. SVS, Society for Vascular Surgeons; UCL, upper control limit.