Table 2.

Associations with NSC status

	OR	95% CI	p
Sociodemographic characteristics
Age, per year	1.01	(1.00–1.02)	0.040
Sex
Female	1.00	(base)
Male	1.53	(1.12–2.09)	0.007
Swiss nationality	1.22	(0.86–1.73)	0.259
Private insurance	1.78	(1.21–2.61)	0.003
Transport by EMS	0.80	(0.56–1.14)	0.221
Time and day of admission to ED
Saturday or Sunday	0.75	(0.53–1.05)	0.096
Night-time admission	0.77	(0.57–1.05)	0.102
Effective weekendsa	0.65	(0.47–0.91)	0.011
Effective days offb	0.76	(0.54–1.06)	0.106
Comorbidity
COPD	0.69	(0.33–1.44)	0.326
Diabetes	2.07	(1.36–3.15)	0.001
Dementia	1.56	(0.61–3.95)	0.352
Past myocardial infarction	0.67	(0.40–1.11)	0.121
Malignancy	1.14	(0.76–1.72)	0.521
Peripheral artery disease	0.55	(0.19–1.62)	0.279
Chronic kidney disease	1.16	(0.54–2.46)	0.708
Cerebrovascular disease	1.14	(0.64–2.02)	0.655
Drug intake
On any antidiabetic	1.94	(1.20–3.13)	0.007
On any antithrombotic	1.02	(0.69–1.53)	0.905
On any antihypertensive	1.19	(0.80–1.78)	0.397
On any diuretic	0.81	(0.49–1.33)	0.400
On any opioids	0.84	(0.46–1.53)	0.561
On any antiepileptic	1.04	(0.58–1.88)	0.893
On any psycholeptic	1.01	(0.64–1.59)	0.981
Consultation characteristic
Triage category
Urgent	1.00	(base)
Highly-urgent	0.50	(0.36–0.70)	< 0.001
Outcomes
Hospitalisation	0.94	(0.69–1.28)	0.693
30 days revisits	0.85	(0.53–1.36)	0.498
365 days revisits	1.09	(0.80–1.50)	0.577
LOS hospital days	1.01	(0.99–1.03)	0.564
LOS ED hours	0.99	(0.95–1.04)	0.777
ICU admission	0.82	(0.45–1.48)	0.508
In-hospital death	1.66	(0.62–4.45)	0.315

Abbreviations: CI confidence interval, COPD chronic obstructive pulmonary disease, ED emergency department, EMS emergency medical services, ICU intensive care unit, LOS length of stay, NSC non-specific complaint, OR odds ratio

^aEffective weekends: admission to ED 7 pm Friday to 7 am Monday

^bEffective days off: effective weekends and all public holidays