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. Author manuscript; available in PMC: 2015 Aug 17.
Published in final edited form as: Ann Intern Med. 2015 Feb 17;162(4):266–275. doi: 10.7326/M14-1281

Appendix Table 7.

Predicted and Observed Events Using the AHA-ACC-ASCVD Risk Score Among MESA Participants Linked by Medicare Database

Variable Predicted Events, n (%) Observed Events, Including CMS Data, n (%) Signed Absolute Difference Discordance, %* c-Statistic Discrimination Slope
Total (n = 3175) 345.0 (9.16) 176 (5.54) 4.57 82 0.69 0.05
Men (n = 1489) 208.2 (13.98) 99 (6.65) 6.36 96 0.72 0.06
Women (n = 1686) 136.9 (8.12) 77 (4.57) 2.98 65 0.64 0.04

ACC = American College of Cardiology; AHA = American Heart Association; ASCVD = atherosclerotic cardiovascular disease; CMS = Centers for Medicare & Medicaid Services; MESA = Multi-Ethnic Study of Atherosclerosis.

*

Percentage discordance calculation: ([{expected percentage − observed percentage}/observed percentage] × 100).