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Table 2 Description of included data (absolute numbers)

From: Do decision support systems influence variation in prescription?

 

Included data*

DSS daily users

DSS non users/owners

Number of practices

85

29

33

Number of physicians

133

44

43

Number of patients

749811

251587

242786

Number of diagnoses

82

82

82

Type of practice:

   

   Group

22

10

9

   Dispensing (pharmacy included)

9

3

1

   Dispensing (with pharmacy)

1

0

0

   Not dispensing (no pharmacy)

73

26

32

   Missing

2

0

0

   TOTAL

85

29

33

EMS:

   

   Microhis

23

5

16

   Promedico

29

14

5

   Elias

22

7

10

   Arcos

11

3

2

   TOTAL

85

29

33

Number of physicians per practice (mean (st.dev) [range])

1.6 (1.1) [1–5]

1.5 (1.1) [1–5]

1.3 (0.7) [1–4]

Number of different drugs per diagnosis in DSS (mean (st.dev) [range]

4.0 (2.4) [1–11]

4.0 (2.4) [1–11]

4.0 (2.4) [1–11]

Number of different drugs prescribed per physician per diagnosis (mean (st.dev) [range])

7.0 (6.7) [1–156]

6.7 (6.1) [1–66]

7.2 (6.9) [1–77]

  1. *selected based on whether diagnoses are in the DSS