Table 1 The standardized number of antibiotic prescriptions for RTI (per 1,000 patients at PTAM group level per year) at baseline and follow-up in the intervention and matched control PTAM groups, and the change in number of prescriptions between baseline and follow-up

From: Reducing antibiotic prescriptions for respiratory tract infections in family practice: results of a cluster randomized controlled trial evaluating a multifaceted peer-group-based intervention

  Baseline Follow-up Change
  RTI-related antibiotic prescriptions/1,000 patients/year RTI-related antibiotic prescriptions/1,000 patients/year  
Intervention PTAM groups
 Group 1: 5 FPs; 5,359 patients 185 118 −67 (36%)
 Group 2: 5 FPs; 8,826 patients 177 144 −33 (19%)
 Group 3: 13 FPs; 19,822 patients 280 a 243 −37 (13%)
 Group 4: 16 FPs; 25,476 patients 170 a 117 −53 (31%)
Matched control PTAM groups
 Group 1: 6 FPs; 11,464 patients 173 138 −35 (20%)
 Group 2: 5 FPs; 12,702 patients 205 199 −6 (3%)
 Group 3: 11 FPs; 29,020 patients 190 190 0 (0%)
 Group 4: 16 FPs; 41,581 patients 152 113 −39 (26%)
  1. Abbreviations: FP, family physician; PTAM, Pharmaco Therapy Audit Meetings; RTI, respiratory tract infections.
  2. aOne FP had no antibiotic prescriptions for RTI at baseline.