Table 3.

Risk of hospital admissions adjusted for each complaint regarding overall risk and separated by age groups, number of diagnoses/comorbidities and time at Emergency Department

Chief complaint	Overall
	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value
NSC	Ref.			< 0.001
Dyspnea	1.60	1.27	2.00
Chest pain	0.72	0.60	0.90
Abdominal pain	0.67	0.54	0.83
Age-groups	65–74				75–84				> 84
	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value
NSC	Ref.			< 0.001	Ref.			< 0.001	Ref.			< 0.001
Dyspnea	1.55	1.07	2.25		1.21	0.83	1.76		2.82	1.73	4.59
Chest pain	0.93	0.66	1.32		0.58	0.41	0.82		0.87	0.56	1.37
Abdominal pain	0.80	0.56	1.12		0.51	0.36	0.73		1.15	0.72	1.83
Diagnostic groups	Previously healthy				1–3 diagnostic groups				≥ 4 diagnostic groups
	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value
NSC	Ref.			< 0.001	Ref.			< 0.001	Ref.			0.001
Dyspnea	0.99	0.64	1.54		1.68	1.26	2.26		2.87	1.44	5.71
Chest pain	0.53	0.36	0.79		0.75	0.57	0.98		1.17	0.61	2.27
Abdominal pain	0.49	0.33	0.74		0.69	0.53	0.91		1.87	0.88	4.00
Time at ED	< 4 h ED-visit				> 4 h ED-visit
	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value	Odds ratio	Lower 95% C.I	Upper 95% C.I	p-value
NSC	Ref.			< 0.001	Ref.			< 0.001
Dyspnea	2.95	2.07	4.19		0.96	0.71	1.30
Chest pain	1.19	0.87	1.63		0.43	0.32	0.58
Abdominal pain	0.74	0.54	1.02		0.61	0.46	0.82

NSC non-specific complaint, ED emergency department