Distribution of statistical clusters according to the method for Dijon University Hospital between January 2005 and April 2014.

<p>SaTScan 1: Temporal Poisson, adjustment for population at risk; SaTScan 2: Temporal Poisson, adjustment for population at risk, on linear trend of 2.628% per year and day of the week; WHONET Retrospective Temporal Poisson, no adjustment; Prospective 1, 2 and 4: simulated prospective space-time permutation (WHONET), reference period respectively of 1, 2 and 4 years.