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Table 2 Some characteristics of patients visiting the three emergency departments, mode of arrival and staff hours

From: Physician-led team triage based on lean principles may be superior for efficiency and quality? A comparison of three emergency departments with different triage models

  Physician triage Nurse-physician triage Nurse triage
  n % n % n %
Attendants       
Total number 08:00–21:00 49956 100 69661 100 41067 100
Male 21778 43.6 31712 48.1 16473 40.1
Female 25654 51.4 34182 49.1 17874 43.5
Children 1295 2.6 2352 3.4 6340 15.4
Missing data* 1229 2.5 1415 2.0 380 0.9
In the study: 47381 100 65880 100 34318 100
Age groups       
19-64 26411 55.7 39232 59.6 19685 57.4
65-79 9178 19.4 13586 20.6 7937 23.1
≥80 11792 24.9 13062 19.8 6696 19.5
Attendants       
Mode of arrival       
Ambulance 14546 29.9 20316 30.2 8383 24.1
Own means 34130 70.1 46993 69.8 26346 75.9
Attendants       
Education level       
< 12 years 25500 53.8 42588 64.6 22720 66.2
≥13 years 13462 28.4 16506 25.0 5575 16.2
Missing data* 4848 9.7 6089 9.2 2574 7.5
Staff hours       
08:00–21:00 Monday-Friday** hours hours/per head hours hours/per head hours hours/per head
Physicians 135.5 0.27 176.5 0.25 96.5 0.23
Nurses/Assistant nurses 240.5 0.48 221.5 0.31 274.0 0.66
Staff hours       
08:00–21:00 Saturday-Sunday** hours hours/per head hours hours/per head hours hours/per head
Physicians 102.5 0.20 110.5 0.15 74.0 0.18
Nurse/Assistant nurses 202.5 0.40 221.5 0.31 234.0 0.56
  1. * The missing data resulted from attendants without a Swedish personal identity number, e.g. immigrants.
  2. **Staff hours were calculated as the number of working hours for each staff category divided by the number of attendants.