Table 5.

Incident Cases and Incidence Rates of Ischemic Cardiac Death Among SCCS Participants Stratified by Age, Race/Ethnicity, and Sex

	White	White Women	White Men	Black	Black Women	Black Men
All ages, n	19 459	12 462	6997	45 772	26 736	19 036
Incident cases, n	395	196	199	830	363	467
Person‐years	197 122	128 583	68 538	499 891	298 058	201 834
Incidence rate	2.00 (1.82–2.21)	1.52 (1.33–1.75)	2.90 (2.53–3.34)	1.66 (1.55–1.78)	1.22 (1.10–1.35)	2.31 (2.11–2.53)
40–49 y, n	7923	4917	3006	23 358	13 168	10 190
Incident cases, n	125	56	69	271	101	170
Person‐years	81 886	51 909	29 976	263 697	150 200	113 497
Incidence rate	1.53 (1.28–1.82)	1.08 (0.83–1.40)	2.30 (1.82–2.91)	1.03 (0.91–1.16)	0.67 (0.55–0.82)	1.50 (1.29–1.74)
50–59 y, n	6894	4491	2403	15 362	8923	6439
Incident cases, n	152	71	81	303	125	178
Person‐years	69 804	46 481	23 323	163 993	98 605	65 388
Incidence rate	2.18 (1.86–2.55)	1.53 (1.21–1.93)	3.47 (2.79–4.32)	1.85 (1.65–2.07)	1.27 (1.06–1.51)	2.72 (2.35–3.15)
60–69 y, n	3646	2396	1250	5444	3518	1926
Incident cases, n	65	41	24	174	85	89
Person‐years	36 213	23 999	12 214	56 787	38 061	18 726
Incidence rate	1.79 (1.41–2.29)	1.71 (1.26–2.32)	1.96 (1.32–2.93)	3.06 (2.64–3.55)	2.23 (1.81–2.76)	4.75 (3.86–5.85)
70–79 y, n	996	658	338	1608	1127	481
Incident cases, n	53	28	25	82	52	30
Person‐years	9219	6194	3025	15 415	11 192	4223
Incidence rate	5.75 (4.39–7.52)	4.52 (3.12–6.55)	8.26 (5.58–12.23)	5.32 (4.28–6.61)	4.65 (3.54–6.10)	7.10 (4.97–10.16)

Incidence rate is per 1000 person‐years (95% CI). SCCS indicates Southern Community Cohort Study.