Table 2.

Hospital performance on wait time and length of ED visit

	Mean of hospital means (SE)	Median of hospital medians (IQR)	Median hospital proportion within target (IQR)
Wait time, all patients, minutes	52.4 (7.3)	34.0 (22.5, 47.8)	78.3% (63.2, 89.5)
Wait time by triage category, minutes
Immediate and emergent (see within 15 min)	31.8 (4.6)	16.0 (9.5, 28.0)	48.4% (23.1, 66.7)
Urgent (see in 16–60 min)	45.2 (3.0)	32.0 (23.0, 45.0)	80.0% (63.3, 92.2)
Semi-urgent (see in 60–120 min)	58.6 (3.4)	45.0 (30.0, 75.0)	91.7% (77.4, 100.0)
Nonurgent (see in 2–24 hrs)	68.6 (6.7)	45.0 (27.0, 83.0)	100% (100, 100)
No triage or unknown	60.9 (13.2)	36.0 (21.0, 63.0)	N/A
Length of visit, patients ultimately admitted, hours	4.93 (0.65)	4.3 (3.3, 5.6)	76.3% (54.4, 93.9)* 60.0% (35.3, 87.5)†
Length of visit, patients ultimately discharged, hours	3.0 (0.45)	2.3 (1.9,2.9)	93.0% (87.1, 97.3)* 86.8% (75.5, 94.3)†

SE: standard error; IQR: interquartile range

^*proportion within 6 hour target

^†proportion within 4 hour target