Table 2.

Percentage of eligible members receiving intervention in Colorado and Northwest regions before and after implementation of electronic health records (years I¹ and I²). Data from Health Plan Employer and Data Information Set quality of care indicators

	Colorado			Northwest
Year	Advice on smoking cessation	Cervical cancer screening	Retinal examination in diabetes	Advice on smoking cessation	Cervical cancer screening	Retinal examination in diabetes
−3	NA	80.6	63.3	NA	NA	NA
−2	NA	78.4	62.1	NA	NA	NA
−1	64.8	79.7*	64.8†	NA	72.4	46.2
I1	70.6*	79.7*	55.5*	NA	76.3	68.4
I2	77.1†	83.7†	67.4†	68.7*	81.8*	62.9†
1	81.6†	77.0*	73.5†	70.0*	80.4*	61.6†
2	78.3†	85.9*	63.0*	68.6*	80.0*	60.1†
3	NA	83.9	88.5†	68.6	80.0*	74.9†
4	77.7†	80.1	82.3†	69.0	83.0	80.0†

National performance percentages were available for beginning year −1 in Colorado and year I¹ in Northwest. NA=data not available or not reported for performance year.

^*Exceeds the 75th percentile for performance nationwide across all health plans.

^†Exceeds the 90th percentile for performance nationwide.