Consultation and Antibiotic Prescribing for Respiratory Tract Infection per 1,000 Registered Patients
| Characteristic | Intervention Trial Arm | Control Trial Arm | Adjusted Mean Differenced (95% CI) | P Value | ||
|---|---|---|---|---|---|---|
| Before Mean (Range) | After Mean (Range) | Before Mean (Range) | After Mean (Range) | |||
| RTI consultation ratea | 219 (181–254) | 209 (176–247) | 216 (186–246) | 218 (184–244) | −9.10 (−21.51 to 3.30) | .148 |
| Antibiotic prescription rateb | 116 (91–131) | 108 (87–129) | 111 (86–135) | 114 (85–128) | −9.69 (−18.63 to −0.75) | .034 |
| Antibiotic prescriptions per RTI consultationc | 53 (46–60) | 52 (45–58) | 52 (45–60) | 52 (45–59) | −1.85 (−3.59 to −0.10) | .038 |
RTI=respiratory tract infection.
Note: Figures are mean (interquartile range) of family practice-specific values for 12 months before and after intervention.
↵a Consultation rate per 1,000 person-years.
↵b Antibiotic prescriptions for respiratory tract infections per 1,000 person-years.
↵c Proportion of consultations with antibiotic prescribed.
↵d Difference between intervention and control trial arms after intervention, adjusting for preintervention value, as well as mean age and proportion of women at each practice.