Table 2.

Description of included data (absolute numbers)

	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]

*selected based on whether diagnoses are in the DSS