A Method for Reviewing the Accuracy and Reliability of a Five-Level Triage Process (Canadian Triage and Acuity Scale) in a Community Emergency Department Setting: Building the Crowding Measurement Infrastructure

Table 1

Patient visits by Canadian Triage and Acuity Scale (CTAS) level.

CTAS visits	Trial 1 patients	Trial 2 patients	Trial 1% in level	Trial 2% In Level
CTAS 1	4	7	0.14%	0.23%
CTAS 2	149	136	5.25%	4.40%
CTAS 3	1010	1216	35.59%	39.34%
CTAS 4	1412	1514	49.75%	48.98%
CTAS 5	219	170	7.72%	5.50%
Unknown	44	48	1.55%	1.55%
Total patients	2838	3091