Geographic variations in avoidable hospitalizations in the elderly, in a health system with universal coverage

Table 4 ACSH rates and variation statistics, by cause of hospitalization.

		Hypertensive cardiovascular disease			Heart failure			Pneumonia
		Both sexes	Men	Women	Both sexes	Men	Women	Both sexes	Men	Women
N	Health districts	34	34	34	34	34	34	34	34	34
	Population	2,428,373	972,093	1,456,280	2,428,373	972,093	1,456,280	2,428,373	972,093	1,456,280
Rates	Cases	23,375	13,189	10,186	22,863	8,538	14,325	13,749	8,298	5,451
	Crude rate	9.41	8.78	9.84	9.63	13.57	6.99	5.66	8.54	3.74
	Adjusted rate	9.30	9.66	8.97	9.58	13.94	6.65	5.59	9.57	3.39
	Minimum	3.64	7.30	2.48	3.64	3.84	2.96	1.1	1.92	0.75
	Maximum	27.39	41.09	18.42	25.38	25.21	25.65	16.96	28.71	9.81
	Percentile 5	3.74	7.94	2.95	3.74	4.61	3.45	1.27	2.04	0.86
	Percentile 25	8.37	11.71	5.67	6.79	6.63	6.66	3.23	5.38	2.14
	Percentile 50	10.02	14.60	6.86	9.50	9.82	9.75	5.27	8.80	3.54
	Percentile 75	13.59	18.36	9.65	14.39	14.23	15.47	10.17	15.26	6.78
	Percentile 95	20.38	28.44	15.15	21.36	20.97	22.14	15,94	26.39	9.58
Variation statistics	CV	0.43	0.44	0.46	0.51	0.55	0.50	0.61	0.62	0.61
	SCV	0.23	0.16	0.28	0.32	0.22	0.38	0.69	0.57	0.77
	wCV	0.54	0.55	0.57	0.69	0.74	0.67	0.84	0.85	0.84
	Chi-square	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
Ratio of variation	RV	7.52	5.63	7.43	6.97	6.57	8.67	15.28	14.95	13.08
	RV P5-P95	5.45	3.58	5.14	5.72	4.55	6.42	12.58	12.94	11.10
	RV P25-P75	1.62	1.57	1.70	2.12	2.15	2.32	3.15	2.84	3.16

CV: coefficient of variation. SCV: systematic coefficient of variation. wCV: weighted coefficient of variation. RV: ratio of variation. ACSH: Hospitalizations for Ambulatory Care Sensitive Conditions

ISSN: 1472-6963