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. Author manuscript; available in PMC: 2009 Jul 30.
Published in final edited form as: Resuscitation. 2007 Feb 14;74(1):52–62. doi: 10.1016/j.resuscitation.2006.11.005

Table 2.

Volunteers excluded from analyses

Total
Volunteers with Primary Initial Course 20546
 No Primary Refresher training 10209
 No Maintenance retraining 6065
 Protocol Violation 826
 Crossover 174
 Outside 1.5–13.5 mo. training window 543
Volunteers included 2729