Type of facility influences lengths of stay of children presenting to high volume emergency departments

BMC Pediatrics

Table 2 Summaries of hourly, facility-specific crowding metrics for all EDs and by ED category

Crowding Metric	All EDs		Regional EDs		Urban EDs		Academic/Teaching EDs
PIA-A^a
median [IQR^b]	1h12min	[42 min, 1h56min]	1h08min	[38 min, 1h50min]	1h16min	[44 min, 2h02min]	1h11min	[42 min, 1h53min]
PIA-M^c
median [IQR]	1h11min	[40 min, 1h57min]	1h07min	[37 min, 1h51min]	1h15min	[43 min, 2h02min]	1h08min	[39 min, 1h54min]
PIA-90^d
median [IQR]	1h25min	[48 min, 2h20min]	1h16min	[41 min, 2h04min]	1h27min	[48 min, 2h22min]	1h35min	[54 min, 2h33min]
LOS-A^e for discharged patients
median [IQR]	2h27min	[1h38min, 3 h29min]	2h08min	[1h23min, 3 h05min]	2h29min	[1h39min, 3 h32min]	2h45min	[1h58min, 3 h49min]
LOS-M^f for discharged patients
median [IQR]	2h21min	[1h34min, 3 h24min]	2h05min	[1h21min, 3 h03min]	2h27min	[1h37min, 3 h31min]	2h31min	[1h45min, 3 h37min]
LOS-90^g for discharged patients
median [IQR]	2h54min	[1h50min, 4h13min]	2h25min	[1h31min, 3 h32min]	2h46min	[1h47min, 4h01min]	3h46min	[2h34min, 5h11min]
LOS-A for admitted patients
median [IQR]	6h31min	[4h17min, 9h46min]	4h32min	[3h07min, 6h31min]	7h12min	[4h44min, 10h32min]	7h31min	[5h09min, 10h54min]
LOS-M for admitted patients
median [IQR]	6h29min	[4h16min, 9h43min]	4h32min	[3h07min, 6h31min]	7h12min	[4h44min, 10h32min]	7h28min	[5h07min, 10h51min]
LOS-90 for admitted patients
median [IQR]	6h45min	[4h22min, 10h16min]	4h35min	[3h08min, 6h36min]	7h12min	[4h45min, 10h34min]	7h54min	[5h22min, 11h37min]
Percent LWBS^h (Day aggregated)
median [IQR]	2.8	[0.0,7.7]	3.7	[0.0,7.7]	4.0	[0.0,9.1]	0.0	[0.0,4.1]
Percent LAMAⁱ (Day aggregated)
median [IQR]	0.0	[0.0,0.0]	0.0	[0.0,0.0]	0.0	[0.0,0.0]	0.0	[0.0,0.0]

^a PIA-A hourly, facility specific average time to physician initial assessment;
^b IQR 25th percentile, 75th percentile;
^c PIA-M hourly, facility specific median time to physician initial assessment;
^d PIA-90 hourly, facility specific 90th percentile of time to physician initial assessment;
^e LOS-A hourly, facility specific average length of stay;
^f LOS-M hourly, facility specific median length of stay;
^g LOS-90 hourly, facility specific 90th percentile of length of stay;
^h LWBS left without being seen;
ⁱ LAMA left against medical advice

ISSN: 1471-2431