Frequent hospital admission of older people with chronic disease: a cross-sectional survey with telephone follow-up and data linkage

Table 4 Characteristics for invited patients (n=512), by response status

		Survey respondents		Survey non- respondents		P value
		N=102		N =410
		n	%	n	%
Age group (at survey)						<0.001
	65-79	68	66.7	177	43.2
	≥80	34	33.3	233	56.8
Gender						0.056
	Male	63	61.8	210	51.2
	Female	39	38.2	200	48.8
Maximum Charlson						0.385
Comorbidity Index	0	28	27.5	88	21.5
	1-2	55	53.9	230	56.1
	≥3	19	18.6	92	22.4
Number of ACS						0.942
conditions (multi-morbidity)	1	18	17.6	67	16.3
	2	34	33.3	143	34.9
	3	30	29.4	132	32.2
	4	17	16.7	58	14.1
	5	3	2.9	10	2.4
≥5 medications						0.060
	Yes	13	12.7	86	21.0
For Unplanned Admissions in index year
Frequent /very frequent						0.067
admissions	3 admissions	65	63.7	220	53.7
	4+ admissions	37	36.3	190	46.3
Number of admissions ¹	Mean(se)	4.1 (0.2)		4.6 (0.1)		0.032
Number of admissions²	Median (range)	3 (3–9)		3 (3–11)		0.078
Number of Unplanned Bed Days³	Mean (se)	5.2 (0.2)		6.2 (0.3)		0.014
Number of Unplanned Bed Days²	Median (range)	4 (1–25)		4 (1–48)		0.040

¹ Results from Poisson regression model :estimated means, standard errors and p value.
² Results of non-parametric Wilcoxon test of ranks : p values.
³ Results of GEE Gamma regression model: stimated means, standard errors and p value.

ISSN: 1472-6963