Prognosis tools for short-term adverse events in older emergency department users: result of a Québec observational prospective cohort

Launay, Cyrille P.; Lubov, Joshua; Galery, Kevin; Vilcocq, Christine; Maubert, Éric; Afilalo, Marc; Beauchet, Olivier

doi:10.1186/s12877-020-01999-6

Table 1 Comparison of baseline characteristics of participants on stretcher visiting emergency department separated in different subgroups based on their PRISMA-7 and ER² scores (n = 1905)

From: Prognosis tools for short-term adverse events in older emergency department users: result of a Québec observational prospective cohort

	PRISMA-7 risk			ER² risk			P-value^d
	Low^a (n = 885)	High^b (n = 1020)	P-value^c	Low (n = 722)	Moderate (n = 70)	High (n = 1113)	Low versus moderate	Low versus high	Moderate versus high
Age (years)
Mean ± SD	84.5 ± 6.0	86.1 ± 6.0	≤0.001	83.2 ± 5.4	86.5 ± 5.2	86.7 ± 6.1	≤0.001	≤0.001	1.000
≥ 85 years	406 (45.9)	584 (57.3)	≤0.001	250 (34.6)	55 (78.6)	685 (61.5)	≤0.001	≤0.001	0.004
Male	311 (35.1)	497 (48.7)	≤0.001	304 (42.1)	55 (78.6)	449 (40.3)	≤0.001	0.453	≤0.001
Place of living home	553 (62.5)	714 (70.0)	0.001	547 (75.8)	52 (74.3)	668 (60.0)	0.784	≤0.001	0.018
Home support	565 (63.8)	709 (69.5)	0.009	320 (44.3)	55 (78.6)	899 (80.8)	≤0.001	≤0.001	0.651
Polypharmacy^e	600 (67.8)	806 (79.0)	≤0.001	435 (60.2)	55 (78.6)	916 (82.3)	0.003	≤0.001	0.430
Temporal disorientation^f	196 (22.1)	294 (28.8)	0.001	0	3 (4.3)	487 (43.8)	≤0.001	≤0.001	≤0.001
Use of walking aid	353 (39.9)	592 (58.0)	≤0.001	0	12 (17.1)	933 (83.8)	≤0.001	≤0.001	≤0.001
Reason for ED visit, n (%)
Organ failure^g	508 (57.4)	544 (53.3)	0.075	411 (56.9)	47 (67.1)	594 (53.4)	0.098	0.135	0.025
Mobility disorders^h	136 (15.4)	166 (16.3)	0.589	104 (14.4)	13 (18.6)	185 (16.6)	0.348	0.203	0.672
Neuropsychiatric disordersⁱ	98 (11.1)	114 (11.2)	0.943	69 (9.6)	1 (1.4)	142 (12.8)	0.022	0.036	0.005
Cancer	24 (2.7)	36 (3.5)	0.308	24 (3.3)	3 (4.3)	33 (3.0)	0.672	0.665	0.533
Social issue^j	119 (13.4)	160 (15.7)	0.168	114 (15.8)	6 (8.6)	159 (14.3)	0.108	0.377	0.181
Length of stay, mean ± SD
ED (hour)	21.5 ± 13.8	23.5 ± 13.7	0.002	19.9 ± 13.3	23.7 ± 15.7	24.3 ± 13.7	0.078	≤0.001	1.000
Hospital (days)	12.4 ± 15.4	15.8 ± 20.0	0.004	10.8 ± 13.5	11.5 ± 18.7	16.3 ± 19.9	1.000	≤0.001	0.334
Hospital admission, n (%)	415 (46.9)	548 (53.7)	0.003	310 (42.9)	39 (55.7)	614 (55.2)	0.040	≤0.001	0.929

PRISMA-7: “Program of Research on the Integration of Services for the Maintenance of Autonomy”; ER²: Emergency room evaluation and recommendation; ED: Emergency department; SD: Standard deviation; ^aScore < 3; ^bScore ≥ 3; ^cComparison based on unpaired t-test; ^dComparison based on an analysis of variance (ANOVA) with Bonferroni correction for multiple comparisons; ^eNumber of medications daily taken ≥5; ^fInability to give the current year and/or months; ^gDefined as an acute organ decompensation; ^hDefined as gait and/or balance impairment and/or fall with or without fall-related injuries; ⁱDefined as delirium, dementia, behavioral disorders; ^jDefined as the absence of symptoms of acute disease combined with an acute increase of the use of formal and/or informal home and social services leading to an inability to cope at home; P-values significant (i.e., < 0.05) in bold

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