Table 1. Changes in compliance rates for computerized guidelines after implementation of a computerized health maintenance reporting system for patients seen in an ambulatory care practice clinic (percent)

Preventive/screening measure	1992 (baseline)	1993	1997
Cholesterol	72	88	89
Pap smear	64	69	75
Mammogram	63	66	70
Breast exam	77	81	72
Breast exam instructions	8	38	41
Testicular exam	48	59	67
Rectal exam	38	72	67
Fecal occult blood	78	74	60
Flu vaccine	69	67	63
Pneumovax	58	65	55
Measles	19	24	12
Tetanus	7	18	23
Rubella	4	19	14

Source: Morgan MM, Goodson J, Barnett GO. Long-term changes in compliance with clinical guidelines through computer-based reminders. Proc AMIA Symp 1998;493-7.

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