. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: Int J Stroke. 2016 Jan;11(1):93–102. doi: 10.1177/1747493015607515

Table 2.

Hazard ratio (95% confidence interval) of incident stroke according to baseline 25-hydoxyvitamin D (25(OH)D) categories.

	25(OH)D > 30 ng/ml	25(OH)D 20 – 30 ng/ml	25(OH)D < 20 ng/ml	P trend
Weighted N	8442	9944	7939	26325
Events	167	213	230	610
Model 1^*	ref	1.07 (0.81, 1.42)	1.61 (1.18, 2.21)	0.003
Model 2^†	ref	1.21 (0.87, 1.69)	1.60 (1.11, 2.33)	0.01
Model 3^‡	ref	1.33 (0.89, 1.96)	1.85 (1.17, 2.93)	0.009

Adjusted for age, race, age*race interaction and sex

^†

Adjusted for age, race, age*race interaction, sex, season of blood draw, systolic blood pressure, body mass index, diabetes, left ventricular hypertrophy, current smoking, atrial fibrillation, coronary heart disease, estimated glomerular filtration rate, log-transformed albumin to creatinine ratio and use of anti-hypertensive medications, statins, and aspirin.

^‡

Adjusted for terms in Model 2 + serum calcium, phosphorus, intact parathyroid hormone, high-density lipoprotein, low-density lipoprotein, total cholesterol and triglyceride concentrations.