Table 2.

Risk of first stroke (total and subtypes) associated with serum albumin-corrected calcium levels^*.

Albumin-corrected calcium, mg/dL	Cases/controls	Model 1		Model 2
		OR (95% CI)	P	OR (95% CI)	P
First stroke
Tertiles
T1 (<8.7)	440/397	1.35 (1.11, 1.65)	0.003	1.37 (1.10, 1.70)	0.005
T2 (8.7–9.1)	379/457	Ref.		Ref.
T3 (≥9.1)	436/401	1.33 (1.09, 1.62)	0.005	1.30 (1.04, 1.62)	0.020
Ischemic stroke
Tertiles
T1 (<8.7)	376/342	1.35 (1.09, 1.67)	0.006	1.41 (1.11, 1.79)	0.005
T2 (8.7–9.1)	327/396	Ref.		Ref.
T3 (≥9.1)	376/341	1.36 (1.10, 1.69)	0.005	1.34 (1.05, 1.71)	0.017
Hemorrhagic stroke
Tertiles
T1 (<8.7)	62/53	1.43 (0.82, 2.48)	0.210	1.22 (0.65, 2.30)	0.535
T2 (8.7–9.1)	51/60	Ref.		Ref.
T3 (≥9.1)	58/58	1.17 (0.70, 1.95)	0.561	0.87 (0.46, 1.63)	0.661

^*Model 1 is conditioned on the matching factors of age, sex, and village.

Model 2 is conditioned on the matching factors of age, sex and village, and adjusted for BMI, SBP, DBP, smoking status, drinking status, labor intensity, total cholesterol, triglycerides, HDL-C, fasting glucose, total homocysteine, eGFR, phosphate, 25(OH)D3, magnesium, antihypertensive drugs, glucose-lowering drugs, lipid-lowering drugs, antiplatelet drugs.