Table IV.

Use of Medications Among the Corresponding Performance Measures by Time Period

Description	1994–1995		1998–1999		2000–2001		Overall P
	#	%	#	%	#	%
Medication on admission or during hospital
Aspirin	140774	82.36	24338	88.09	24429	88.81	<0.001
Excluded	11169	60.24	2385	70.97	2434	72.79	<0.001
Discretionary	22252	82.52	3992	90.23	4033	89.21	<0.001
Ideal	80961	88.98	11593	94.20	10793	94.66	<0.001
BB	84353	49.35	18337	66.81	20993	77.41	<0.001
Excluded	25331	40.45	5582	59.74	6397	74.77	<0.001
Discretionary	11127	45.38	2844	65.57	3581	75.70	<0.001
Ideal	32535	65.93	5212	82.97	5067	88.24	<0.001
Medication at discharge
Aspirin	87200	51.02	16569	58.86	17316	61.16	<0.001
Excluded	20931	52.91	3870	58.48	4267	63.10	<0.001
Discretionary	11946	67.61	2509	74.49	2612	76.78	<0.001
Ideal	43627	76.36	7748	83.13	7625	84.42	<0.001
BB	49345	28.87	12638	45.93	15383	55.75	<0.001
Excluded	18555	40.08	5390	60.73	7014	71.19	<0.001
Discretionary	11382	26.37	3061	45.66	3702	60.62	<0.001
Ideal	12503	50.23	2267	71.18	2157	78.87	<0.001
ACEI	43298	25.33	9617	34.93	10815	38.97	<0.001
Excluded	1279	50.45	238	51.00	227	47.77	0.695
Discretionary	1886	39.10	371	39.49	387	35.87	0.260
Ideal	10761	62.00	2092	70.07	2213	71.48	<0.001

^*Results from survey analysis for % and P value are shown here.