Table 2.

Agatston risk group distribution according to 3.0 mm slice reconstructions with calcium scores for 3.0 and 0.5 mm slice reconstructions

Risk group	3.0 mm N (%)	Agatston score	0.5 mm N (%)	Agatston score	Shift in risk group N (%)	Absolute difference	P-value
0	100 (50%)	0 ± 0	82 (41%)	0.7 ± 2	18 (18%)	0.7 ± 2	<0.01
1–10	15 (7.5%)	3.4 ± 3	28 (14%)	11 ± 6	4 (27%)	7 ± 7	<0.01
11–100	43 (21.5%)	36 ± 21	45 (22.5%)	54 ± 30	4 (9%)	18 ± 15	<0.01
101–400	25 (12.5%)	221 ± 93	26 (13%)	268 ± 117	3 (12%)	47 ± 42	<0.01
>400	17 (8.5%)	940 ± 783	19 (9.5%)	1,025 ± 836	–	85 ± 89	<0.01

Data are the mean Agatston score ± SD for 3.0 and 0.5 mm slice reconstructions