Table 4.

CDS feasibility ratings on need for additional data and CDS characteristics

	Model 1			Model 2
	B	Test statistic	P value	B	Test statistic	P value
Need for additional data	0.45	t = 4.87	<.001	0.43	t = 4.64	<.001
Site		F 6,53 = 2.04	.08		F 6,53 = 2.02	.08
1 (Reference)
2	0.21	t = 0.69	.49	0.20	t = 0.66	.51
3	0.37	t = 1.12	.27	0.34	t = 1.05	.30
4	0.18	t = 0.56	.58	0.16	t = 0.49	.62
5	–0.33	t = –1.01	.31	–0.36	t = –1.08	.29
6	–0.40	t = –1.28	.20	–0.41	t = –1.33	.19
7	–0.30	t = –1.00	.32	–0.30	t = –1.00	.32
Number of concepts	—	—	—	0.12	t = 1.51	.14
Proportion of ambiguous concepts	—	—	—	0.84	t = 0.77	.44
Proportion historical concepts	—	—	—	0.28	t = 0.25	.80

CDS: clinical decision support.