Table 5.

Odds ratios for either development of incident CAC or 10-year progression (> 20 Agatston units) of coronary artery calcium, by tertiles of PDAY risk score at year 0 and tertiles of change in PDAY risk score from year 0 to year 25.

PDAY risk score -Year 0	Change in PDAY risk score year 0 to year 25	N	Odds ratio (95% CI) for CAC progression
−2 to −1	−1 to 0	231	1.00*
	1 to 4	284	2.18 (1.16, 4.09)
	5 to 18	185	2.64 (1.37, 5.10)
0 or 1	−3 to 0	250	3.33 (1.79, 6.18)
	1 to 4	293	5.29 (2.94, 9.51)
	5 to 21	283	6.06 (3.37, 10.91)
2 to 18	−9 to 0	281	10.71 (6.01, 19.09)
	1 to 4	255	11.59 (6.47, 20.76)
	5 to 20	258	14.59 (8.16, 26.10)

^*Reference