Table 4.

Annual Incidence of AF by C₂HEST Score

Score	No. of Subjects	No. of Incidents of AF	Incidence of AFa	Hazard Ratio	95% CI
0	310,117	246	0.18	1.00	…
1	88,825	378	0.82	4.31	3.67-5.06
2	19,270	148	2.31	12.8	10.4-15.6
3	8,253	68	3.73	22.6	17.2-29.6
4	1,373	68	16.1	97.0	74.1-127.0
5	90	6	28.7	187.4	83.3-421.6
≥ 6	45	7	59.8	332.0	156.6-704.0

See Table 1 legend for expansion of abbreviation.

^aPer 1,000 person-years.