Table 1. HEDIS^® Indicators Descriptive Information: Medicare Managed Care Plans: Calendar Year 2000.

Indicator	National Reporting Plans	National Mean Rate	Standard Deviation	Low-High Rate	Correlation with Composite Score
Adult Access to Preventive/Ambulatory Health Services	155	91.36	6.45	60.30-100.00	0.43
7-Day Followup for Hospitalization for Mental Illness	90	37.93	16.98	8.33-88.10	0.56
30-Day Followup for Hospitalization for Mental Illness	91	60.25	18.20	8.16-95.08	0.62
Antidepressant Medication Management-Optimal Contacts	87	12.96	7.64	1.41-38.64	0.14
Effective Acute Phase Treatment of Depression	90	54.15	10.72	29.49-81.27	0.23
Effective Chronic Phase Treatment of Depression	90	37.55	11.97	6.25-75.76	0.38
Breast Cancer Screening	154	74.62	9.26	30.30-90.83	0.72
Controlling High Blood Pressure	151	47.64	9.02	24.01-70.82	0.47
Beta Blocker after CVA	106	90.23	10.16	39.73-100.00	0.64
Cholesterol Management-LDL-C Screening	124	70.88	13.30	9.09-97.03	0.74
Cholesterol Management-LDL-C Level <130	120	53.71	16.83	3.03-93.40	0.82
Diabetes Care-HbA1C Tested	153	83.40	9.58	34.66-97.15	0.78
Diabetes Care-HbA1C Poorly Controlled1	151	67.53	17.82	1.92-91.97	0.78
Diabetes Care-LDL-C Screening	153	80.90	10.63	25.00-96.59	0.58
Diabetes Care-LDL- C Controlled	151	51.87	12.29	6.45-80.57	0.76
Diabetes Care-Eye Exam	153	64.33	15.23	20.47-92.94	0.62
Diabetes Care-Kidney Disease Monitored	150	46.38	15.84	17.22-94.65	0.67

¹Item is reverse-scored.

NOTES: HEDIS^® is Health Plan Employer Data and Information Set. Correlations are significant at the 0.01 level, two-tailed test. Correlations have been corrected for the spurious effects of individual indicators on the composite score.

SOURCE: Lied, T.R., Malsbary, R., Eisenberg, C., and Ranck, J., Centers for Medicare & Medicaid Services (CMS). Author's tabulations from the CMS HEDIS^® files, calendar year 2000.