Table 4.

Multivariable logistic regression analysis: factors independently associated with early arrival

	Arrival time (≤ 3 hours)
	Crude OR (95% CI)	Adjusted OR (95% CI)	P*
NIHSS	1.152 (1.099-1.207)	1.101 (1.038-1.167)	0.001
Previous stroke	1.952 (1.251-3.047)	1.185 (0.680-2.067)	0.549
Diabetes	0.627 (0.388-1.013)	0.642 (0.367-1.122)	0.120
Hyperlipidemia	0.572 (0.303-1.081)	0.485 (0.227-1.035)	0.061
Atrial fibrillation	2.838 (1.513-5.323)	2.152 (0.975-4.747)	0.058
Coronary heart disease	1.923 (0.971-3.809)	0.882 (0.362-2.146)	0.781
Living alone	1.933 (0.979-3.817)	1.710 (0.767-3.810)	0.190
Arrival through referral	0.178 (0.100-0.317)	0.116 (0.059-0.228)	< 0.001
Arrival by Ambulance	2.697 (1.790-4.063)	1.961 (1.176-3.270)	0.010
Knowledge by patient of thrombolysis	1.854 (1.147-2.998)	2.002 (1.104-3.633)	0.022
Awareness of the patient/bystander that the initial symptom was stroke related	3.340 (2.211-5.045)	4.438 (2.669-7.381)	< 0.001

*P for multivariate model

Candidate variables were selected from the results of univariate analysis with P < 0.2