Table 1.

Number of positive, neutral and negative impacts by study for the six areas

Topic Areas	Positive (%)	Neutral (%)	Negative (%)	Total
Controlled
Prescribing Support	3 (37.5)	4 (50.0)	1 (12.5)	8
Disease Management	4 (57.1)	2 (28.6)	1 (100.0)	7
Clinical Documentation	1 (20.0)	2 (40.0)	2 (40.0)	5
Work Practice	4 (80.0)	1 (20.0)	0 (0.0)	5
Preventive Care	1 (33.3)	1 (50.0)	0 (0.0)	2
Patient-Physician Interaction	0 (0.0)	0 (0.0)	0 (0.0)	0
Sub-total	13 (48.1)	10 (37.0)	4 (14.8)	27
Descriptive
Prescribing Support	1 (100.0)	0 (0.0)	0 (0.0)	1
Disease Management	0 (0.0)	0 (0.0)	0 (0.0)	0
Clinical Documentation	0 (0.0)	0 (0.0)	1 (100.0)	1
Work Practice	5 (55.6)	1 (11.1)	3 (33.3)	9
Preventive Care	1 (100.0)	0 (0.0)	0 (0.0)	1
Patient-Physician Interaction	2 (50.0)	2 (50.0)	0 (0.0)	4
Sub-total	9 (56.3)	3 (18.8)	4 (25.0)	16
Combined
Prescribing Support	4 (44.4)	4 (44.4)	1 (11.1)	9
Disease Management	4 (57.1)	2 (28.6)	1 (14.3)	7
Clinical Documentation	1 (16.7)	2 (33.3)	3 (50.0)	6
Work Practice	9 (64.3)	2 (14.3)	3 (21.4)	14
Preventive Care	2 (66.7)	1 (33.3)	0 (0.0)	3
Patient-Physician Interaction	2 (50.0)	2 (50.0)	0 (0.0)	4
Total*	22 (51.2)	13 (30.2)	8 (18.6)	43

*Odds ratios between controlled and descriptive studies are not significant