Fig. 3From: An audit and feedback intervention study increased adherence to antibiotic prescribing guidelines at a Norwegian hospitalTrend and level change in monthly mean total treatment duration, pre- and post-intervention. Total treatment duration was defined as in-hospital prescribing plus length of prescription at discharge. Pre-intervention audit started January 2014 (point no. 1), the intervention was performed late September 2014 (point no. 9) and the post-intervention audit ended March 2015 (point no. 15)Back to article page