Table 3 Logistic regression analyses between correct visitation and multiple variables

Univariate logistic analysis

Variables

SE

p-value

OR [95% CI]

 Intercept

0.318

 < 0.0001

0.21 [0.01, 0.35]

 Contact within 4.5 h from symptom onset

0.348

0.007

2.54 [1.29, 5.02]

Multivariate logistic analysis

Variables

SE

p-value

OR [95% CI]

 Intercept

0.969

0.002

0.05 [0.03, 0.78]

 Contact within 4.5 h from symptom onset

0.384

0.025

2.37 [1.11, 5.03]

 Call to EMDC-112

0.291

 < 0.0001

3.18 [1.80, 5.62]

 Age

0.010

0.825

1.00 [0.98, 1.02]

 Gender

0.289

0.570

1.18 [0.67, 2.08]

 Previous stroke

0.370

0.212

1.59 [0.77, 3.28]

 Stroke suspected by caller

0.309

0.363

0.76 [0.41, 1.38]

 Supplementary symptoms

0.364

0.257

0.66 [0.32, 1.35]

 Questions about typical stroke symptoms

0.382

 < 0.0001

6.36 [3.01, 13.43]