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Table 3 Numbers and proportions of patients spending less or more than four hours at the emergency department

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 p-value
  n % n % n %  
Less than a 4 - hours stay at the ED 37043 76.1 32936 48.9 20511 59.0 <0.001
More than a 4 -hours stay at the ED 11595 23.8 34365 51.1 14218 40.9 <0.001
Missing data 66 0.13 14 0.02 31 0.08  
Total 48676 100 67309 100 34729 100