A dangerously underrated entity? Non-specific complaints at emergency department presentation are associated with utilisation of less diagnostic resources

Table 4 Backward selection model (p < 0.2) including all potential predictor variables (predictors with p < 0.05 are highlighted in bold)

ED diagnostic resource utilisation	GMR	95% CI	p
NSC	0.91	(0.83–1.00)	0.040
Age, per year	1.01	(1.01–1.01)	< 0.001
Private insurance	1.06	(0.97–1.15)	0.197
On any antidiabetic	1.07	(0.97–1.19)	0.189
Night admission	0.83	(0.78–0.88)	< 0.001
Effective weekends	0.95	(0.89–1.00)	0.070
Triage
Urgent (base)	1.00
Highly-urgent	1.25	(1.17–1.32)	< 0.001

Abbreviations: ED emergency department, CI confidence interval, GMR geometric mean ration, NSC non-specific complaint

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