Table 2.

Risk for coronary death and non-fatal myocardial infarction, comparing types of chest pain with those with no chest pain, and comparing South Asian with White participants by type of chest pain

Study population	Ethnic group	n	Number of CHD events by Phase 7	Rate/1000 person years (95% CI)	HRs within ethnic groups compared with those with no chest pain		HRs within types of pain for South Asian compared with White participants (95% CI)
					Age and sex-adjusted	Adjusteda	Age- and sex adjusted	Adjusteda
No chest pain	White	5444	138	1.67 (1.42, 1.96)	1	1	1	1
	South Asian	312	15	3.44 (2.08, 5.71)	1	1	1.92 (1.13, 3.28)	1.58 (0.87, 2.86)
Non-exertional chest pain	White	2619	80	1.95 (1.57, 2.43)	1.14 (0.86, 1.49)	1.16 (0.88, 1.53)	1	1
	South Asian	134	9	4.68 (2.44, 9.00)	1.24 (0.54, 2.84)	1.34 (0.56, 3.22)	2.10 (1.05, 4.20)	2.17 (1.04, 4.53)
Exertional chest pain	White	587	41	4.56 (3.36, 6.19)	2.71 (1.91, 3.84)	2.34 (1.64, 3.32)	1	1
	South Asian	73	8	8.21 (4.11, 16.4)	2.37 (1.01, 5.60)	2.52 (1.02, 6.18)	1.70 (0.79, 3.65)	1.74 (0.75, 4.03)
Typical angina	White	534	59	7.49 (5.80, 9.66)	4.32 (3.18, 5.87)	3.56 (2.59, 4.88)	1	1
	South Asian	58	17	21.9 (13.6, 35.3)	6.93 (3.40, 14.10)	4.67 (2.12, 10.30)	2.94 (1.71, 5.06)	2.56 (1.36, 4.84)

The study population of the whole cohort represents those at Phase 1.

The study populations of the types of chest pain represent those who complained of these pains at Phases 1, 2 or 3. The types are mutually exclusive, as those with exertional chest pain excluded those who had complained of typical angina at one of the Phases 1, 2 or 3, and baseline non-exertional chest pain excluded those who had complained of typical angina or exertional chest pain at one of the Phases 1, 2 or 3.

CHD event: incident coronary death or non-fatal myocardial infarction.

^aAdjusted for age, sex, hypertension, blood cholesterol, ex/current smoker, overweight, diabetes, living alone, family history and employment grade.