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Table 4 Interobserver agreement of the appropriateness/inappropriateness of referrals

From: Primary care referrals of patients with potentially serious diseases to the emergency department or a quick diagnosis unit: a cross-sectional retrospective study

Variable Agreement (%) Unadjusted ϰ CI 95%
PHC-QDU referral 89.6 0.81 0.77-0.85
n = 1186*
PHC-ED referral 85.6 0.75 0.71-0.79
n = 1004    
  1. *PHC-QDU group.
  2. PHC-ED-QDU group.
  3. PHC denotes primary care; QDU, quick diagnosis unit; ED, emergency department; CI, confidence interval.