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Table 4 Antibiotic prescribing rates per STAR-PU for the intervention and control groups in the broad-spectrum letter with chart vs no letter trial

From: Using text and charts to provide social norm feedback to general practices with high overall and high broad-spectrum antibiotic prescribing: a series of national randomised controlled trials

 

Total items per STAR-PU

Total broad spectrum per STAR-PU

% broad spectrum per STAR-PU

Control, M (SD) [n]

Intervention, M (SD) [n]

Control, M (SD) [n]

Intervention, M (SD) [n]

Control, M (SD) [n]

Intervention, M (SD) [n]

November 2018

0.082 (0.01) [338]

0.083 (0.01) [339]

0.012 (0.07) [313]

0.012 (0.06) [332]

0.0001 (0.0004) [312]

0.0000 (0.0001) [330]

December 2018

0.086 (0.01) [337]

0.087 (0.01) [339]

0.010 (0.02) [311]

0.012 (0.06) [331]

0.0000 (0.0002) [309]

0.0000 (0.0001) [329]

January 2019

0.096 (0.01) [336]

0.098 (0.01) [339]

0.013 (0.07) [309]

0.013 (0.06) [330]

0.0000 (0.0001) [306]

0.0000 (0.0001) [328]

February 2019

0.081 (0.01) [336]

0.083 (0.01) [339]

0.010 (0.04) [306]

0.010 (0.04) [328]

0.0002 (0.0020) [304]

0.0000 (0.0001) [327]

March 2019

0.081 (0.01) [335]

0.083 (0.01) [339]

0.010 (0.02) [306]

0.010 (0.01) [327]

0.0000 (0.0001) [303]

0.0000 (0.0001) [326]

April 2019

0.075 (0.01) [334]

0.077 (0.01) [338]

0.010 (0.01) [305]

0.009 (0.03) [326]

0.0000 (0.0001) [302]

0.0000 (0.0001) [324]

  1. Number of practices with data for each outcome measure and month are shown in square brackets