Table 3.

Hazard Ratios for All-cause mortality and Stroke by Quartiles of Potassium

	Quartiles of Potassium (mg)
	Q1: < 1925.5	Q2: ≥1925.5 – 2519.4 (HR, 95% CI)	Q3:>2519.4 – 3193.6 (HR, 95% CI)	Q4: >3193.6 (HR, 95% CI)
All-Cause Mortality
Model (1)	1	0.87 (0.82 – 0.91)	0.77 (0.74 – 0.82)	0.83 (0.79 – 0.87)
Model (2)	1	0.87 (0.82 – 0.91)	0.78 (0.74 – 0.82)	0.83 (0.79 – 0.87)
Model (3)	1	0.91 (0.86 – 0.96)	0.84 (0.79 – 0.89)	0.90 (0.85 – 0.95)
Stroke (all)
Model (1)	1	0.89 (0.81 – 0.99)	0.82 (0.74 – 0.91)	0.87 (0.79 – 0.96)
Model (2)	1	0.90 (0.81 – 1.00)	0.83 (0.75 – 0.92)	0.88 (0.79 – 0.97)
Model (3)	1	0.88 (0.79 – 0.98)	0.85 (0.76 – 0.94)	0.88 (0.79 – 0.98)
Ischemic Stroke
Model (1)	1	0.88 (0.78 – 0.99)	0.84 (0.74 – 0.94)	0.85 (0.76 – 0.96)
Model (2)	1	0.88 (0.78 – 0.99)	0.85 (0.75 – 0.95)	0.85 (0.76 – 0.96)
Model (3)	1	0.85 (0.75 – 0.96)	0.85 (0.75 – 0.97)	0.84 (0.74 – 0.96)
Hemorrhagic Stroke
Model (1)	1	0.95 (0.74 – 1.22)	0.77 (0.60 – 1.00)	0.91 (0.71 – 1.16)
Model (2)	1	0.96 (0.75 – 1.23)	0.75 (0.58 – 0.98)	0.90 (0.70 – 1.16)
Model (3)	1	0.91 (0.70 – 1.19)	0.78 (0.59 – 1.03)	0.92 (0.71 – 1.20)
TOAST subtype*
Large artery atherosclerosis	1	0.95 (0.60 – 1.49)	0.85 (0.53 – 1.35)	0.69 (0.42 – 1.13)
Cardioembolism	1	0.91 (0.70 – 1.17)	1.01 (0.79 – 1.30)	1.04 (0.81 – 1.32)
Small Vessel occlusion (lacune)	1	0.82 (0.62 – 1.08)	0.77 (0.59 – 1.03)	0.83 (0.63 – 1.10)

Model (1) unadjusted

Model (2) adjusted for Age, Race, and Hypertension status

Model (3) adjusted for Model 2 variables plus Smoking Status, Physical Activity, History of Diabetes, History of Atrial Fibrillation, History of Myocardial Infarction, Hormone Use, Alcohol Intake, Aspirin Use, High Cholesterol, and BMI

^*All adjusted for all variables in Model (3)