Table 2.

Percentage risk (number) of most serious^* subsequent event over five years in participants with angina as a first report

		Type of most serious event over five years' follow up
				Angina
				Diagnosis by doctor		No diagnosis by doctor
Type of first report†	No of participants	Death from any cause	Myocardial infarction	Abnormal test (any)	No abnormal test	Abnormal test (study ECG)	No abnormal test	None
Angina (diagnosis by doctor):
Abnormal test (any)	80	0.13 (8)	0.16 (10)	0.26 (17)	0.16 (10)	0.07 (4)	0.02 (1)	0.20 (30)
No abnormal test	172	0.03 (5)	0.17 (27)	0.24 (39)	0.21 (34)	0.01 (2)	0.03 (5)	0.31 (60)
Angina (no diagnosis by doctor):
Abnormal test (study ECG)	85	0.10 (7)	0.15 (11)	0.11 (8)	0.00 (0)	0.46 (42)	0.01 (1)	0.17 (16)
No abnormal test	633	0.04 (22)	0.07 (36)	0.05 (24)	0.05 (24)	0.07 (34)	0.54 (393)	0.18 (100)
No angina or myocardial infarction throughout follow up	9066	0.01 (297)	NA	NA	NA	NA	NA	0.99 (8769)

ECG=electrocardiogram; NA=not applicable.

^*Seriousness of event ranged from death (most serious), through myocardial infarction and angina with diagnosis by doctor, to angina without diagnosis by doctor (least serious). First events occurring at or after phase 5 have been excluded.

^†In 155 participants the first event was myocardial infarction.