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Table 1 Summary of measures

From: General practitioners’ views on polypharmacy and its consequences for patient health care

Measure Patient record Telephone interviews with physicians Telephone interviews with medical assistants Practice registration form
Structure of practice     
Sociodemographic data of physicians    
Number of years worked as a physician / medical assistant  
Type of practice (e.g. single or community practice)    
Patient characteristics     
Number of patients quartlerly    
Sociodemographic data of patients    
Percentage of patients older than 65 years    
Diagnosis of patient    
Patients participation in chronic care programs    
Patients number of doctor visits    
Long-term and acute medication (e.g. dosage and active ingredients)    
Other therapies and interventions as well as their frequency and duration (e.g. physiotherapy, patient education and rehabilitation)    
Weighting of influencing factors during medication prescription    
Noncompliance of patients receiving polypharmacy    
Reports of adverse events, interactions or other consequences of polypharmacy  
Describing typical patients, reporting problems with medication    
Taking account of recommendations in the PRISCUS-List    
Organization and processes in practice     
Needed time for treating patients receiving polypharmacy   
Difficulties on patient admission    
Potential for changing practice organization to improve the treatment of patients receiving polypharmacy   
Potential and difficulties concerning cooperation with pharmacies    
Use of individual case vignettes in practice    
Evidence of formal qualifications of medical assistants