German emergency department measures in 2018: a status quo based on the Utstein reporting standard

BMC Emergency Medicine

Table 3 Emergency department population parameters

Hospital beds		Total (*n =* 150)	< 400 (*n =* 70)	400–799 (*n =* 52)	≥ 800 (*n =* 25)
Proportion of patients aged 0–5 years (%)	valid data (n)	82	38	30	14
	Mean ± SD	3.8 ± 7.5	4.4 ± 10.3	3.2 ± 3.9	3.4 ± 3.2
	Median [IQR]	1.7 [4.0]	1.1 [3.8]	2.0 [4.5]	2.8 [4.0]
	Min–Max	0–62.0	0-62.0	0-14.0	0–10.0
Proportion of patients aged 0–18 years (%)	valid data (n)	88	40	31	17
	Mean ± SD	13.5 ± 17.4	14.6 ± 20.9	13.4 ± 16.6	11.0 ± 8.2
	Median [IQR]	9.8 [10.8]	9.3 [8.1]	10.0 [16.8]	9.0 [14.2]
	Min–Max	0–100	0.8-100	0-90.0	1.0–25.0
Proportion of patients aged over 75 years (%)	valid data (n)	78	38	27	13
	Mean ± SD	28.0 ± 13.2	28.0 ± 15.8	27.2 ± 6.8	30.0 ± 15.5
	Median [IQR]	25.5 [11.6]	24.9 [13.9]	26.0 [8.1]	25.4 [11.5]
	Min–Max	0–75.0	0-75.0	15.8-48.4	15.0–60.0
Left without being seen (%)	valid data (n)	94	35	39	18
	Mean ± SD	1.4 ± 1.4	1.4 ± 1.4	1.6 ± 1.7	1.2 ± 1.2
	Median [IQR]	1.0 [1.5]	1.0 [1.6]	1.0 [1.5]	1.0 [1.2]
	Min–Max	0–7.0	0-5.0	0.1-7.0	0–5.0
Readmission within 72 hours (%)	valid data (n)	30	15	7	7
	Mean ± SD	2.1 ± 2.2	2.5 ± 2.7	1.8 ± 1.9	1.8 ± 1.7
	Median [IQR]	1.0 [2.4]	2.0 [3.0]	1.0 [3.7]	1.0 [2.5]
	Min–Max	0–10.0	0-10.0	0-5.0	0.2–5.0

Discrepancies between the sum of subgroups and total resulted from the exclusion of unplausible bed counts as described in Table 2
SD standard deviation, IQR interquartile range, Min minimum, Max maximum

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