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Table 1 General characteristics of the Julius General Practitioners Network (JGPN, 2015)

From: Routine primary care data for scientific research, quality of care programs and educational purposes: the Julius General Practitioners’ Network (JGPN)

Number of general (group) practices

Total number of patients enlisted

Average number of contacts per day per practice

Total number of patient contacts per year

Mean number of patient contacts per year (range)

 

 64

371,028

79.9

1384.129

3.7 (0–193)

 

Age groups in years

Number of men (%)

Number of women (%)

   

 0–19

41,405 (11)

39,700 (11)

   

 20–39

50,722 (14)

60,717 (16)

   

 40–59

51,256 (14)

51,238 (14)

   

 > 60

33,965 (10)

40,845 (11)

   

 Total

177,348 (48)

192,500 (52)

   

Top five prescribed drugs according to the Anatomic-Therapeutic Codes (ATC) for medication

Number of prescriptions (% of total)

Number of patients (% of total)

Mean number of prescriptions per patient

Number of patients with just one prescription (%)

Percentage of patients in the Netherlands with the prescription [48]

 Antacids (PPI’s, H2-antagonists, and antacids) (A02B)

164,293 (7)

39,613 (11)

4,1

12,619 (32)

16

 Statins and other cholesterol lowering drugs (C10A)

134,352 (5)

26,24 (7)

5,1

3183 (12)

11

 Antithrombotics (Vitamin K antagonists, NOACs, and anti-platelets) (B01A)

123,209 (5)

22,195 (6)

5,6

3207 (15)

10

 Beta-blockers (C07A)

105,737 (4)

21,413 (6)

4,9

3689 (17)

9

 Antidepressants (N06A)

100,883 (4)

18,046 (5)

5,6

3048 (17)

Below top 10

Top five diagnoses according to the International Code Primary Care (ICPC) for diagnoses

Number of contacts with such an ICPC-labelled diagnosis (number of new/relapsed episodes)

Percentage of total number of contacts with an ICPC-code (%)

Number of patients (% of total)

Mean number of contacts per patient (minimum-maximum)

Percentage of patients in the Netherlands with the ICPC-code [49]

 Hypertension (K86, K87)

52,508 (2708)

3.9

18,445 (5)

2.8 (1–29)

4

 Type 1 and 2 Diabetes Mellitus (T90)

51,194 (11,547)

3.8

11,283 (3)

4.5 (1–79)

2

 Cystitis/urinary tract infection (U71)

28,834 (19,495)

2.1

12,473 (3)

2.3 (1–35)

3

 Cough (R05)

25,487 (22,794)

1.9

16,966 (5)

1.5 (1–15)

2

 Upper respiratory tract infection (R74)

23,579 (22,330)

1.7

17,580 (5)

1.3 (1–13)

2