Reducing C-sections, by any means necessary.

1200px-Geschenk_fig.1 Canadian researchers performed a large, cluster-randomized trial to try to reduce C-section rates in Quebec. The intervention was multi-faceted, ranging from education to auditing with physician feedback.  A great example of a trial with a statistically significant, yet very discouraging results.  The original article appears in the NEJM.

My take in 150 Seconds can be found here.