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Table 1 ED characteristics

From: The emergency department landscape in The Netherlands: an exploration of characteristics and hypothesized relationships

  Mean ± sd Min Max
Patient volume and characteristics
ED patients (per year) 22,755 ± 9457 6082 53,196
Age patients
 % < 18 18.2 ± 4.5 9 30
 % 18–64 48.4 ± 5.9 39 69
 % 65+ 33.8 ± 7.5 13 51
Entry route patients
 % self-referrals 14.9 ± 13.5 1.2 55.9
 % primary care 51.8 ± 14.4 16.4 76.5
 % EMS 16.6 ± 5.3 0.5 30.0
 % other 15.2 ± 8.0 1.1 52.1
 % admissions 38.2 ± 10.7 12.9 76.4
ED and hospital capacity
 ED beds 16.1 ± 6.6 4 36
 Hospital beds 441.3 ± 245.3 104 1339
Workforce capacity
 FTE ED nurses 28.3 ± 11.0 11 65
Calculated ratios
 FTE ED nurse/ED bed 1.8 ± 0.5 0.9 3.5
 FTE ED nurse/ED patient (per 24 h) 0.46 ± 0.97 0.30 0.72
 Admissions/FTE ED nurse (per 24 h) 0.86 ± 0.31 0.18 2.24
 ED beds/patient (per 24 h) 0.27 ± 0.08 0.16 0.54