Association between brachial-ankle pulse wave velocity and progression of coronary artery calcium: a prospective cohort study

Table 4 The risk of progression of Coronary Calcium Score according to baseline brachial-ankle pulse wave velocity quartiles odds ratio (95 % CI) of CAC change >0 by PWV quartiles

	Number	Cases	Age-adjusted OR^a (95 % CI)	Multivariate-adjusted OR^a (95 % CI)
	Number	Cases	Age-adjusted OR^a (95 % CI)	Model 1	Model 2
Total
Q1	281	47	1.00 (reference)	1.00 (reference)	1.00 (reference)
Q2	281	63	1.29 (0.84–1.98)	1.12 (0.72–1.75)	1.16 (0.74–1.82)
Q3	282	99	2.31 (1.54–3.47)	1.95 (1.27–2.99)	2.04 (1.33–3.15)
Q4	280	109	2.34 (1.55–3.52)	1.90 (1.22–2.95)	2.14 (1.34–3.41)
P for trend			<0.001	0.001	<0.001

OR odds ratio, CI confidence interval
^aEstimated from logistic regression. Multivariable model 1 was adjusted for age, sex, center, year of screening exam, smoking status, alcohol intake, educational level, BMI, diabetes, hypertension, HDL, LDL and glucose; model 2: model 1 plus adjustment for sbp and heart rate

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