Table 4.

Average homogeneity, adoption rate, and rank by function category: differences by hospital size

	Average homogeneity		Percent differences in average homogeneity
	Small	Medium/large
Clinical documentation	0.54	0.41	−31.7
Results	0.56	0.46	−21.7
CPOE	0.46	0.42	−8.7
Barcode	0.40	0.24	−66.7
Decision support	0.53	0.43	−23.3
All (SE)	0.50 (0.011)	0.38 (0.011)	−31.5 (p<0.0001)
	Average adoption rate		Percent differences in average adoption rate
Clinical documentation	0.43	0.65	51.2
Results	0.54	0.82	51.8
CPOE	0.23	0.33	43.5
Barcode	0.32	0.53	65.6
Decision support	0.35	0.61	74.3
All (SE)	0.38 (0.0079)	0.59 (0.0061)	55.3 (p<0.0001)
	Average rank		Differences in average rank
Clinical documentation	12	13	1
Results	8	6	−2
CPOE	23	25	2
Barcode	17	17	0
Decision support	15	14	−1

CPOE, computerized provider order entry.