Provincial Summary: Canadian Triage and Acuity Scale (CTAS)

 
Provincial Total Time Spent in the ER by Canadian Triage and Acuity Scale (CTAS) - August 2017
 
Canadian Triage and Acuity Scale is a five point scale used by ERs to evaluate a patients’ acuity level to more accurately define their needs and allow for timely care.

The following table shows Total Time Spent in the ER by CTAS for all patients, admitted patients and non-admitted patients.
 
CTAS Level1All PatientsAdmitted PatientsNon-Admitted Patients2
VolumeED LOS (Hours)CTAS Goal4 (Hours)% within CTAS Goal% of VolumeED LOS (Hours)Time to Inpatient Bed3 (Hours)% within CTAS Goal% of VolumeED LOS (Hours)% within CTAS Goal
All ED Visits5008898.4  10%31.423.8 90%6.3 
I468820.2873%56%26.721.460%44%8.589%
II10271015.6878%23%32.424.836%77%7.991%
III2331188.6680%9%30.922.820%91%6.786%
IV1417494.5486%1%30.122.115%99%4.487%
V178474.1489%1%26.119.420%99%4.090%
 
Note:  
1. CTAS: Canadian Triage and Acuity Scale is a five point scale used by ERs to evaluate a patients' acuity level to more accurately define their needs and allow for timely care.
2. Non-Admitted Patients include: patients discharged home and other disposition types (i.e. patients who left against medical advice, patients registered, triaged and assessed by a physician but left without treatment, patients transferred to another facility, dead on arrival, dead after arrival and intra facility transfers). Other disposition types make up 2% of total ED visits.
3. Time to Inpatient Bed: ED Disposition Date/Time to Patient left ED Date/Time.
4. CTAS Goals: These goals are different from the provincial targets.