Systolic blood pressure as a predictor of transient ischemic attack/minor stroke in emergency department patients under age 80: a prospective cohort study

Table 2 Logistic regression model estimating effects of age, sex, BP, with age-BP interaction on TIA/minor stroke

Variable	B	SE	p	OR	95% CI
Systolic model
Sex (male vs. female)	0.59	0.15	< 0.001	1.81	1.36–2.41
Age (< 60 vs. 60–79 years)	−0.21	1.40	0.880	0.81	0.05–12.67
Age (≥80 vs. 60–79 years)	4.06	0.97	< 0.001	58.09	8.71–387.53
Systolic^a	0.21	0.05	< 0.001	1.23	1.11–1.35
Systolic^a: Age (< 60 vs. 60–79 years)	− 0.04	0.10	0.671	0.96	0.80–1.16
Systolic^a: Age (≥80 vs. 60–79 years)	− 0.21	0.06	< 0.001	0.81	0.72–0.91
(Intercept)	−2.76	0.72	< 0.001
Diastolic model
Sex (male vs. female)	0.59	0.15	< 0.001	1.80	1.35–2.40
Age (< 60 vs. 60–79 years)	0.84	1.37	0.542	2.31	0.15–34.17
Age (≥80 vs. 60–79 years)	4.13	0.98	< 0.001	62.13	9.03–427.61
Diastolic^a	0.29	0.08	< 0.001	1.34	1.14–1.58
Diastolic^a: Age (< 60 vs. 60–79 years)	−0.21	0.16	0.177	0.81	0.59–1.10
Diastolic^*: Age (≥80 vs. 60–79 years)	−0.39	0.12	< 0.001	0.68	0.54–0.85
(Intercept)	−2.18	0.72	0.002

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