Table 3.

Average Daily ED Demand Rates and Throughput Times in Hours by ED Site from 2018-2020

Site ID	Site A*	Site B	Site C	Site D	Site E	Site F	Site G	Site H	Overall
All ED Visits (N)	245,868	214,594	196,381	144,149	135,584	84,474	82,411	47,935	1,151,396
Ped Psych Visits (N)	5,907	3,437	513	1,248	1,192	475	897	423	14,092
Average Daily ED Demand Rates - Mean
Avg. Daily EDVisits	236.28	204.41	185.06	181.91	171.42	80.68	77.84	46.58	176.50
Ped Psych %	2.41%	1.62%	0.28%	0.87%	1.05%	0.62%	1.12%	0.92%	1.26%
Non-Psych Ped %	14.85%	14.48%	4.21%	16.20%	11.89%	9.04%	13.46%	18.29%	12.40%
Adult Psych %	23.17%	19.89%	17.72%	12.65%	16.26%	17.83%	16.07%	11.16%	18.10%
Throughput Times in Hours for Pediatric Psychiatric ED Visits – Median [Mean] (Min, Max)
ED Length of Stay	6.33 [28.34] (0.31, 1474.78)	3.07 [16.22] (0.23, 888.43)	3.48 [16.57] (0.36, 461.96)	3.57 [27.20] (0.25, 999.72)	3.66 [17.41] (0.17, 518.06)	3.57 [13.95] (0.37, 260.36)	2.38 [9.09] (0.41, 239.78)	2.39 [7.84] (0.44, 280.14)	4.16 [21.61] (0.17, 1474.78)
ED Wait Time	0.85 [1.35] (0.00, 18.35)	0.75 [1.06] (0.02, 18.35)	0.55 [0.93] (0.00, 10.32)	0.68 [1.05] (0.02, 17.02)	1.85 [2.23] (0.02, 15.37)	1.23 [1.58] (0.05, 10.22)	0.78 [1.10] (0.03, 6.52)	0.72 [1.01] (0.00, 7.48)	0.85 [1.29] (0.00, 18.35)
ED Boarding Time (Patients Admitted or Transferred)	16.46 [35.31] (0.02, 876.91)	21.22 [37.95] (0.40, 887.60)	22.71 [32.85] (0.00, 235.82)	28.41 [51.17] (1.27, 931.91)	18.91 [30.19] (0.04, 448.77)	17.96 [35.71] (0.00, 931.91)	7.92 [21.37] (0.08, 258.93)	18.70 [28.27] (0.23, 197.11)	7.74 [21.14] (0.16, 278.72)

Notes: The Avg. Daily Visit count represents the average number of ED visits per day per ED based on all ED visit types. Wait times were truncated at the 99th percentile of 18.35 hours. All throughput times are reported in hours.

^*Site A was an academic teaching hospital. Avg. = Average, Ped = Pediatric, Psych = Psychiatric.