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Table 1 Descriptive analysis of the structural and quality measures for the 65 physician practices

From: A cross-sectional study assessing the association between online ratings and structural and quality of care measures: results from two German physician rating websites

Structural information N Mean SD Min Max
1   Number of physicians per practice 65 1.77 1.09 1 8
2   Age of the physicians per practice (average) 63 53.40 5.29 42 65
3   Patients per practice per quarter (average) 58 1293.85 1019.28 41 6481.67
4   Patient per doctor ratio 58 774.53 382.59 20.50 1969.50
5   Quality circle visits (values practice-related) 65 8.42 3.12 0 16
6   Chronically ill patients (Q4/2012) (percentage) 32 83.68 17.16 32.00 100.00
Process quality measures N Mean SD Min Max
7 Diabetes type 2 Patients with a diabetic retinal exam within the last 12 months (percentage)b 29 77.72 32.39 0.00 100.00
8 Diabetes type 2 Patients who had an ophthalmological examination in 2012 (percentage)b 24 42.78 11.34 18.60 70.00
9 Coronary heart disease Patients who have been prescribed antiplatelet agents (percentage)b 29 88.48 23.19 10.00 100.00
10 Coronary heart disease Patients who have been prescribed beta-blockers (percentage)b 29 85.61 12.21 62.50 100.00
11 Coronary heart disease Patients with cardiac insufficiency who have been prescribed ACE inhibitors (percentage)b 28 74.21 23.79 25.00 100.00
12 Coronary heart disease Patients who have been prescribed CHD statins (percentage)b 29 75.74 23.73 0.00 100.00
13 Asthma Patients with long-term medication who have been prescribed inhaled corticosteroids (percentage)b 26 83.24 20.46 40.00 100.00
14 Medication in the elderly Polypharmacy: Patients aged 65 years or older with more than eight prescribed medications (Q4/2012) (percentage) [source Sickness Fund] 32 9.50 5.26 0.00 20.90
15 Medication in the elderly PRISCUS medication (2011) (percentage) [source Sickness Fund]c 60 2.50 1.36 1.00 5.00
16 Prevention Patients aged 35 or older with a general preventive examination (percentage)b 32 58.47 22.28 6.72 95.95
Intermediate outcome measures N Mean SD Min Max
17 Diabetes type 2 Patients who reached individual HbA1c-target values (percentage)b 29 73.97 19.32 25.53 100.00
18 Diabetes type 2 Patients with hypertension who show a normotensive blood pressure (percentage)b 29 63.40 17.72 31.01 98.77
Patient satisfaction N Mean SD Min Max
19   Offline patient survey 2012 (practice-related) 52 1.39 0.14 1.05 1.69
Medication prescription: cost related measures N Mean SD Min Max
20   Cost per case (average 2012)a 62 85.31 69.71 1.25 382.72
21   Cost per prescription (average 2012)a 62 44.53 42.92 16.44 309.26
  1. aThis indicator is based on claims data
  2. bThis indicator applies only to the 32 general practices
  3. cThe data shown refer to groups (group 1 < =2 %, group 2 < =5 %, group 3 < =7.5 %, group 4 < =10 %, group 5 > 10 %)