Safety in Health

Table 1 Representation of the final study population compared to total study population

From: The impact of a national quality register in the analysis of risks and adverse events among older adults in nursing homes and hospital wards—a Swedish Senior Alert survey

	Nursing home					Hospital ward
	Total study population (n = 63,811)		Final study population (n = 40,224)		p value	Total study population (n = 96,677)		Final study population (n = 10,112)		p value
	Mean	SD	Mean	SD		Mean	SD	Mean	SD
Age (years)	85.4	7.5	85.4	7.5	0.768^a	79.9	8.0	79.8	8.3	0.344^a
BMI (kg/m²)	25.0	5.1	25.0	5.1	0.148^a	25.3	5.2	25.5	5.2	< 0.001^a
	n	%	n	%		n	%	n	%
Females	43,149	68	27,349	68	0.212^b	52,042	54	5640	56	< 0.001^b
Married	15,443	24	9798	24	0.564^b	41,990	43	4103	41	< 0.001^b
Fall risk	50,313	79	32,445	81	< 0.001^b	54,933	57	5421	54	< 0.001^b
Malnutrition risk	38,162	60	23,994	60	0.622^b	52,219	54	6621	65	< 0.001^b
Pressure ulcer risk	19,967	31	12,275	31	0.009^b	16,590	17	1741	17	0.885^b

Data are shown as mean (SD) or number (%)
^aStudent’s t test
^bPearson’s chi-square test

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