Table 2

Results of univariate and multivariate analyses about the influence of the different internal factors on effectiveness markers

	Effectiveness markers
	Waiting time to be seen				Patients waiting to be seen
	Univariate analysis			Multivariate analysis	Univariate analysis			Multivariate analysis
	r	r²	p	p	r	r²	p	p
ED related factors
Patients waiting for a doctor	0.21	0.05	<0.001	0.0001	0.15	0.02	<0.01	<0.05
Patients being seen	0.28	0.08	<0.0001	<0.05	0.33	0.11	<0.0001	<0.05
Patients waiting for test results	0.28	0.08	<0.0001	<0.001	0.45	0.21	<0.0001	<0.0001
Patients waiting for outcome	0.23	0.05	0.0001	NS	0.23	0.05	0.0001	NS
ED-H-interrelation related factors
Patients waiting for investigations performed outside ED	0.06	0.00	NS	NS	0.16	0.03	<0.01	NS
Patients waiting for a specialist	0.02	0.00	NS	NS	0.01	0.00	NS	NS
H related factors
Patients waiting to go to an inhospital bed	0.26	0.07	<0.0001	<0.0001	0.43	0.18	<0.0001	<0.0001
Patients waiting to find an inhospital bed	0.34	0.12	<0.0001	<0.0001	0.28	0.08	<0.0001	<0.0001
non-ED-non-H related factors
Patients waiting for relatives	0.11	0.01	NS	NS	0.08	0.01	NS	NS
Patients waiting for social assistant intervention	0.07	0.01	NS	NS	0.05	0.00	NS	NS
Patients waiting for an ambulance	0.14	0.02	<0.05	NS	0.21	0.04	<0.001	<0.01