Break those numbers down to time spent on the roads. When I was road biking it seemed like for every 10 hours or so I would encounter a clueless/inconsiderate/aggressive driver that would require me to take action as to not get hit. Not that much different from driving a car but the consequenses sure are. Considering virtually all teens (and many adults) are texting while driving and that most drivers see you as a nuisance on "their" roads, the risk is way too high for me to road bike anymore. Cars are way to big and deadly to share the roads with bikes. We need more bike paths and/or separated bike lanes.
Bicyclist Deaths in 2010: 618
http://www.bicyclinginfo.org/facts/crash-facts.cfm
Cars killed 24,474 in 2009. 4,462 people died on motorcycles the same year.
http://www-fars.nhtsa.dot.gov/Main/index.aspx
Preventable medical mistakes and infections are responsible for about 200,000 deaths in the U.S. each year
http://www.scientificamerican.com/blog/post.cfm?id=deaths-from-avoidable-medical-error-2009-08-10
Get out and ride your bikes FFS.