Risk assessment in the first fifteen minutes: a prospective cohort study of a simple physiological scoring system in the emergency department

Table 5 Frequency and results of Chi-square test of single VSS_initial criteria

VSS _initial parameter	Frequency of single VSS criteria (% of all patients)	Odds ratio	Limits of 95% confidence interval		Cramer's V	P-value
			lower	upper
threatened airway	159 (3.6%)	9.70	6.88	13.68	0.23	<0.0001
respiratory rate	80 (1.8%)	4.84	2.90	8.08	0.10	<0.0001
heart rate	154 (3.5%)	5.86	3.93	8.77	0.15	<0.0001
oxygen saturation	297 (6.8%)	4.61	3.41	6.21	0.16	<0.0001
systolic blood pressure	202 (4.6%)	10.96	8.04	14. 98	0.28	<0.0001
GCS score	262 (6%)	12.41	9.35	16.47	0.32	<0.0001
seizures	56 (1.3%)	0.0	0.0	0.0	0.01	0.99

GCS, Glasgow coma scale, VSS, Vital Sign Score. The results of Chi-square tests of single VSS_initial criteria are given as odds ratio, Cramer's V (degree of association of single VSS criteria and hospital mortality; 0 denoting no association, 1 denoting maximum association) and significance value.

ISSN: 1364-8535