Table 2. Identification of Vascular Calcification by Statin Eligibility.
| Eligibility | CAC Score >0 (n = 732/1743) | C Statistic (95% CI) | CAC Score ≥100 (n = 310/1743) | C Statistic (95% CI) | AAC Score >0 (n = 1110/1742) | C Statistic (95% CI) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No./Total No. (%) | Statistic (95% CI) | P Value | No./Total No. (%) | Statistic (95% CI) | P Value | No./Total No. (%) | Statistic (95% CI) | P Value | ||||
| 2016 USPSTF Grade B Recommendation | 0.68 (0.66 to 0.70) | 0.71 (0.68 to 0.74) | 0.66 (0.64 to 0.68) | |||||||||
| Statin eligible | 404/600 (67.3) | 5.1 (4.1 to 6.3) | <.001 | 213/600 (35.5) | 5.9 (4.5 to 7.8) | <.001 | 512/599 (85.5) | 5.4 (4.2 to 6.9) | <.001 | |||
| Not statin eligible | 328/1143 (28.7) | 1 [Reference] | NA | 97/1143 (8.5) | 1 [Reference] | NA | 598/1143 (52.3) | 1 [Reference] | NA | |||
| 2013 ACC/AHA Guidelines | 0.69 (0.67 to 0.71) | 0.70 (0.68 to 0.73) | 0.70 (0.68 to 0.72) | |||||||||
| Statin eligible | 507/817 (62.1) | 5.1 (4.1 to 6.3) | <.001 | 248/817 (30.4) | 6.1 (4.5 to 8.2) | <.001 | 681/816 (83.5) | 5.8 (4.7 to 7.3) | <.001 | |||
| Not statin eligible | 225/926 (24.3) | 1 [Reference] | NA | 62/926 (6.7) | 1 [Reference] | NA | 429/926 (46.3) | 1 [Reference] | NA | |||
Abbreviations: AAC, abdominal aortic calcium; ACC/AHA, American College of Cardiology/American Heart Association; CAC, coronary artery calcium; USPSTF, US Preventive Services Task Force.